16402790 has 16 divisors (see below), whose sum is σ = 31262112. Its totient is φ = 6175104.

The previous prime is 16402781. The next prime is 16402819. The reversal of 16402790 is 9720461.

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 7 ways as a sum of consecutive naturals, for example, 48074 + ... + 48413.

It is an arithmetic number, because the mean of its divisors is an integer number (1953882).

Almost surely, 2^16402790 is an apocalyptic number.

16402790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16402790 is a deficient number, since it is larger than the sum of its proper divisors (14859322).

16402790 is a wasteful number, since it uses less digits than its factorization.

16402790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96511.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 16402790 is about 4050.0358023109. The cubic root of 16402790 is about 254.0812251852.

The spelling of 16402790 in words is "sixteen million, four hundred two thousand, seven hundred ninety".