813763484 has 12 divisors (see below), whose sum is σ = 1450956024. Its totient is φ = 399204624.

The previous prime is 813763477. The next prime is 813763507. The reversal of 813763484 is 484367318.

It is a super-2 number, since 2×813763484² = 1324422015783636512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919042 + ... + 1919465.

It is an arithmetic number, because the mean of its divisors is an integer number (120913002).

Almost surely, 2^813763484 is an apocalyptic number.

It is an amenable number.

813763484 is a deficient number, since it is larger than the sum of its proper divisors (637192540).

813763484 is a wasteful number, since it uses less digits than its factorization.

813763484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838564 (or 3838562 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 813763484 is about 28526.5399934868. The cubic root of 813763484 is about 933.6112277379.

The spelling of 813763484 in words is "eight hundred thirteen million, seven hundred sixty-three thousand, four hundred eighty-four".