16398056 has 16 divisors (see below), whose sum is σ = 30983040. Its totient is φ = 8135920.

The previous prime is 16398017. The next prime is 16398091. The reversal of 16398056 is 65089361.

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, 6776 + ... + 8871.

It is an arithmetic number, because the mean of its divisors is an integer number (1936440).

Almost surely, 2^16398056 is an apocalyptic number.

It is an amenable number.

16398056 is a deficient number, since it is larger than the sum of its proper divisors (14584984).

16398056 is a wasteful number, since it uses less digits than its factorization.

16398056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15784 (or 15780 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 16398056 is about 4049.4513208582. The cubic root of 16398056 is about 254.0567794201.

The spelling of 16398056 in words is "sixteen million, three hundred ninety-eight thousand, fifty-six".