16900947 has 32 divisors (see below), whose sum is σ = 28815360. Its totient is φ = 9590400.

The previous prime is 16900931. The next prime is 16900957. The reversal of 16900947 is 74900961.

It is not a de Polignac number, because 16900947 - 2⁴ = 16900931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16900927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41947 + ... + 42347.

It is an arithmetic number, because the mean of its divisors is an integer number (900480).

Almost surely, 2^16900947 is an apocalyptic number.

16900947 is a deficient number, since it is larger than the sum of its proper divisors (11914413).

16900947 is a wasteful number, since it uses less digits than its factorization.

16900947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 16900947 is about 4111.0761364879. The cubic root of 16900947 is about 256.6277876306.

The spelling of 16900947 in words is "sixteen million, nine hundred thousand, nine hundred forty-seven".