463784445 has 24 divisors (see below), whose sum is σ = 808348632. Its totient is φ = 245980800.

The previous prime is 463784441. The next prime is 463784449. The reversal of 463784445 is 544487364.

463784445 is a `hidden beast` number, since 4 + 637 + 8 + 4 + 4 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (463784441) and next prime (463784449).

It can be written as a sum of positive squares in 4 ways, for example, as 71289 + 463713156 = 267^2 + 21534^2 .

It is not a de Polignac number, because 463784445 - 2² = 463784441 is a prime.

It is a super-2 number, since 2×463784445² = 430192022847916050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 463784445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463784441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20326 + ... + 36615.

It is an arithmetic number, because the mean of its divisors is an integer number (33681193).

Almost surely, 2^463784445 is an apocalyptic number.

463784445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

463784445 is a deficient number, since it is larger than the sum of its proper divisors (344564187).

463784445 is a wasteful number, since it uses less digits than its factorization.

463784445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57133 (or 57130 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 463784445 is about 21535.6552024776. The cubic root of 463784445 is about 774.0554263936.

The spelling of 463784445 in words is "four hundred sixty-three million, seven hundred eighty-four thousand, four hundred forty-five".