445984344 has 48 divisors (see below), whose sum is σ = 1300790400. Its totient is φ = 137225664.

The previous prime is 445984339. The next prime is 445984349. The reversal of 445984344 is 443489544.

It is an interprime number because it is at equal distance from previous prime (445984339) and next prime (445984349).

It is a super-2 number, since 2×445984344² = 397804070186220672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445984344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445984349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237304 + ... + 239175.

It is an arithmetic number, because the mean of its divisors is an integer number (27099800).

Almost surely, 2^445984344 is an apocalyptic number.

It is an amenable number.

445984344 is an abundant number, since it is smaller than the sum of its proper divisors (854806056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445984344 is a wasteful number, since it uses less digits than its factorization.

445984344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476504 (or 476497 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 445984344 is about 21118.3414121469. The cubic root of 445984344 is about 764.0231848816.

The spelling of 445984344 in words is "four hundred forty-five million, nine hundred eighty-four thousand, three hundred forty-four".