16397032 has 8 divisors (see below), whose sum is σ = 30744450. Its totient is φ = 8198512.

The previous prime is 16397011. The next prime is 16397033. The reversal of 16397032 is 23079361.

It can be written as a sum of positive squares in only one way, i.e., 16208676 + 188356 = 4026^2 + 434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 16396985 and 16397003.

It is not an unprimeable number, because it can be changed into a prime (16397033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024807 + ... + 1024822.

Almost surely, 2^16397032 is an apocalyptic number.

It is an amenable number.

16397032 is a deficient number, since it is larger than the sum of its proper divisors (14347418).

16397032 is a wasteful number, since it uses less digits than its factorization.

16397032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049635 (or 2049631 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 16397032 is about 4049.3248820019. The cubic root of 16397032 is about 254.0514909974.

The spelling of 16397032 in words is "sixteen million, three hundred ninety-seven thousand, thirty-two".