16897880 has 32 divisors (see below), whose sum is σ = 38208240. Its totient is φ = 6725760.

The previous prime is 16897861. The next prime is 16897889. The reversal of 16897880 is 8879861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16897889) 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 7 ways as a sum of consecutive naturals, for example, 8150 + ... + 10010.

Almost surely, 2^16897880 is an apocalyptic number.

16897880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16897880 is an abundant number, since it is smaller than the sum of its proper divisors (21310360).

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

16897880 is a wasteful number, since it uses less digits than its factorization.

16897880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 16897880 is about 4110.7031028767. The cubic root of 16897880 is about 256.6122633518.

The spelling of 16897880 in words is "sixteen million, eight hundred ninety-seven thousand, eight hundred eighty".