864332402 has 8 divisors (see below), whose sum is σ = 1298398896. Its totient is φ = 431532772.

The previous prime is 864332383. The next prime is 864332503. The reversal of 864332402 is 204233468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×864332402² = 1494141002294179208, which contains 22 as substring.

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, 315008 + ... + 317739.

It is an arithmetic number, because the mean of its divisors is an integer number (162299862).

Almost surely, 2^864332402 is an apocalyptic number.

864332402 is a deficient number, since it is larger than the sum of its proper divisors (434066494).

864332402 is a wasteful number, since it uses less digits than its factorization.

864332402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633432.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 864332402 is about 29399.5306425120. The cubic root of 864332402 is about 952.5627579475.

The spelling of 864332402 in words is "eight hundred sixty-four million, three hundred thirty-two thousand, four hundred two".