16397046 has 16 divisors (see below), whose sum is σ = 36438000. Its totient is φ = 5465664.

The previous prime is 16397039. The next prime is 16397053. The reversal of 16397046 is 64079361.

It is an interprime number because it is at equal distance from previous prime (16397039) and next prime (16397053).

It is a super-2 number, since 2×16397046² = 537726235052232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16397046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151771 + ... + 151878.

It is an arithmetic number, because the mean of its divisors is an integer number (2277375).

Almost surely, 2^16397046 is an apocalyptic number.

16397046 is an abundant number, since it is smaller than the sum of its proper divisors (20040954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16397046 is a wasteful number, since it uses less digits than its factorization.

16397046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303660 (or 303654 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 16397046 is about 4049.3266106848. The cubic root of 16397046 is about 254.0515633015.

The spelling of 16397046 in words is "sixteen million, three hundred ninety-seven thousand, forty-six".