396829652 has 12 divisors (see below), whose sum is σ = 711390036. Its totient is φ = 193575360.

The previous prime is 396829633. The next prime is 396829663. The reversal of 396829652 is 256928693.

It can be written as a sum of positive squares in 2 ways, for example, as 52504516 + 344325136 = 7246^2 + 18556^2 .

It is a super-2 number, since 2×396829652² = 314947545412882208, 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 396829652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1209683 + ... + 1210010.

It is an arithmetic number, because the mean of its divisors is an integer number (59282503).

Almost surely, 2^396829652 is an apocalyptic number.

It is an amenable number.

396829652 is a deficient number, since it is larger than the sum of its proper divisors (314560384).

396829652 is a wasteful number, since it uses less digits than its factorization.

396829652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419738 (or 2419736 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 50.

The square root of 396829652 is about 19920.5836259885. The cubic root of 396829652 is about 734.8545237867.

The spelling of 396829652 in words is "three hundred ninety-six million, eight hundred twenty-nine thousand, six hundred fifty-two".