16408812 has 24 divisors (see below), whose sum is σ = 43757056. Its totient is φ = 4688208.

The previous prime is 16408807. The next prime is 16408829. The reversal of 16408812 is 21880461.

It is a super-2 number, since 2×16408812² = 538498222502688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16408812.

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, 97588 + ... + 97755.

Almost surely, 2^16408812 is an apocalyptic number.

16408812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16408812 is an abundant number, since it is smaller than the sum of its proper divisors (27348244).

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

16408812 is a wasteful number, since it uses less digits than its factorization.

16408812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195357 (or 195355 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 16408812 is about 4050.7791843052. The cubic root of 16408812 is about 254.1123152199.

The spelling of 16408812 in words is "sixteen million, four hundred eight thousand, eight hundred twelve".