8397404032 has 16 divisors (see below), whose sum is σ = 16729203600. Its totient is φ = 4198701952.

The previous prime is 8397404023. The next prime is 8397404033. The reversal of 8397404032 is 2304047938.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8397404033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32802232 + ... + 32802487.

It is an arithmetic number, because the mean of its divisors is an integer number (1045575225).

Almost surely, 2^8397404032 is an apocalyptic number.

It is an amenable number.

8397404032 is a deficient number, since it is larger than the sum of its proper divisors (8331799568).

8397404032 is an equidigital number, since it uses as much as digits as its factorization.

8397404032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65604733 (or 65604721 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 8397404032 is about 91637.3506382632. The cubic root of 8397404032 is about 2032.5832847193.

The spelling of 8397404032 in words is "eight billion, three hundred ninety-seven million, four hundred four thousand, thirty-two".