16889892 has 12 divisors (see below), whose sum is σ = 39409776. Its totient is φ = 5629960.

The previous prime is 16889869. The next prime is 16889893. The reversal of 16889892 is 29898861.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (16889893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703734 + ... + 703757.

It is an arithmetic number, because the mean of its divisors is an integer number (3284148).

Almost surely, 2^16889892 is an apocalyptic number.

16889892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16889892 is an abundant number, since it is smaller than the sum of its proper divisors (22519884).

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

16889892 is a wasteful number, since it uses less digits than its factorization.

16889892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407498 (or 1407496 counting only the distinct ones).

The product of its digits is 497664, while the sum is 51.

The square root of 16889892 is about 4109.7313780830. The cubic root of 16889892 is about 256.5718215559.

The spelling of 16889892 in words is "sixteen million, eight hundred eighty-nine thousand, eight hundred ninety-two".