16428836 has 12 divisors (see below), whose sum is σ = 28784028. Its totient is φ = 8204832.

The previous prime is 16428829. The next prime is 16428857. The reversal of 16428836 is 63882461.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6150400 + 10278436 = 2480^2 + 3206^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16428836.

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, 2630 + ... + 6306.

It is an arithmetic number, because the mean of its divisors is an integer number (2398669).

Almost surely, 2^16428836 is an apocalyptic number.

It is an amenable number.

16428836 is a deficient number, since it is larger than the sum of its proper divisors (12355192).

16428836 is a wasteful number, since it uses less digits than its factorization.

16428836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4798 (or 4796 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 16428836 is about 4053.2500539690. The cubic root of 16428836 is about 254.2156393077.

The spelling of 16428836 in words is "sixteen million, four hundred twenty-eight thousand, eight hundred thirty-six".