16409256 has 16 divisors (see below), whose sum is σ = 41023200. Its totient is φ = 5469744.

The previous prime is 16409249. The next prime is 16409287. The reversal of 16409256 is 65290461.

16409256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341836 + ... + 341883.

It is an arithmetic number, because the mean of its divisors is an integer number (2563950).

Almost surely, 2^16409256 is an apocalyptic number.

It is an amenable number.

16409256 is an abundant number, since it is smaller than the sum of its proper divisors (24613944).

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

16409256 is a wasteful number, since it uses less digits than its factorization.

16409256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683728 (or 683724 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 16409256 is about 4050.8339882054. The cubic root of 16409256 is about 254.1146071764.

The spelling of 16409256 in words is "sixteen million, four hundred nine thousand, two hundred fifty-six".