16990492 has 6 divisors (see below), whose sum is σ = 29733368. Its totient is φ = 8495244.

The previous prime is 16990489. The next prime is 16990507. The reversal of 16990492 is 29409961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2123808 + ... + 2123815.

Almost surely, 2^16990492 is an apocalyptic number.

It is an amenable number.

16990492 is a deficient number, since it is larger than the sum of its proper divisors (12742876).

16990492 is a wasteful number, since it uses less digits than its factorization.

16990492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247627 (or 4247625 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 16990492 is about 4121.9524499926. The cubic root of 16990492 is about 257.0802133705.

The spelling of 16990492 in words is "sixteen million, nine hundred ninety thousand, four hundred ninety-two".