16879998 has 8 divisors (see below), whose sum is σ = 33760008. Its totient is φ = 5626664.

The previous prime is 16879991. The next prime is 16880011. The reversal of 16879998 is 89997861.

It is a sphenic number, since it is the product of 3 distinct primes.

16879998 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16879991) 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 3 ways as a sum of consecutive naturals, for example, 1406661 + ... + 1406672.

It is an arithmetic number, because the mean of its divisors is an integer number (4220001).

Almost surely, 2^16879998 is an apocalyptic number.

16879998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16879998 is a wasteful number, since it uses less digits than its factorization.

16879998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813338.

The product of its digits is 1959552, while the sum is 57.

The square root of 16879998 is about 4108.5274734386. The cubic root of 16879998 is about 256.5217123457.

The spelling of 16879998 in words is "sixteen million, eight hundred seventy-nine thousand, nine hundred ninety-eight".