16390896 has 20 divisors (see below), whose sum is σ = 42343272. Its totient is φ = 5463616.

The previous prime is 16390879. The next prime is 16390903. The reversal of 16390896 is 69809361.

It is a super-2 number, since 2×16390896² = 537322943365632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170691 + ... + 170786.

Almost surely, 2^16390896 is an apocalyptic number.

16390896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16390896 is an abundant number, since it is smaller than the sum of its proper divisors (25952376).

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

16390896 is a wasteful number, since it uses less digits than its factorization.

16390896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341488 (or 341482 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 16390896 is about 4048.5671539447. The cubic root of 16390896 is about 254.0197971632.

The spelling of 16390896 in words is "sixteen million, three hundred ninety thousand, eight hundred ninety-six".