813452046 has 32 divisors (see below), whose sum is σ = 1776031488. Its totient is φ = 246330240.

The previous prime is 813452039. The next prime is 813452051. The reversal of 813452046 is 640254318.

It is a super-2 number, since 2×813452046² = 1323408462283172232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 813451998 and 813452016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118566 + ... + 125238.

It is an arithmetic number, because the mean of its divisors is an integer number (55500984).

Almost surely, 2^813452046 is an apocalyptic number.

813452046 is an abundant number, since it is smaller than the sum of its proper divisors (962579442).

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

813452046 is a wasteful number, since it uses less digits than its factorization.

813452046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8536.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 813452046 is about 28521.0807298742. The cubic root of 813452046 is about 933.4921107709.

The spelling of 813452046 in words is "eight hundred thirteen million, four hundred fifty-two thousand, forty-six".