16297972 has 24 divisors (see below), whose sum is σ = 30270240. Its totient is φ = 7656480.

The previous prime is 16297969. The next prime is 16297973. The reversal of 16297972 is 27979261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16297973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9138 + ... + 10774.

It is an arithmetic number, because the mean of its divisors is an integer number (1261260).

Almost surely, 2^16297972 is an apocalyptic number.

It is an amenable number.

16297972 is a deficient number, since it is larger than the sum of its proper divisors (13972268).

16297972 is a wasteful number, since it uses less digits than its factorization.

16297972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791 (or 1789 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 16297972 is about 4037.0746834806. The cubic root of 16297972 is about 253.5388536914.

The spelling of 16297972 in words is "sixteen million, two hundred ninety-seven thousand, nine hundred seventy-two".