16398512 has 20 divisors (see below), whose sum is σ = 34216560. Its totient is φ = 7568448.

The previous prime is 16398491. The next prime is 16398521. The reversal of 16398512 is 21589361.

16398512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16398512² = 537822391628288, which contains 22 as substring.

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, 39212 + ... + 39627.

It is an arithmetic number, because the mean of its divisors is an integer number (1710828).

Almost surely, 2^16398512 is an apocalyptic number.

It is an amenable number.

16398512 is an abundant number, since it is smaller than the sum of its proper divisors (17818048).

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

16398512 is a wasteful number, since it uses less digits than its factorization.

16398512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78860 (or 78854 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 16398512 is about 4049.5076243909. The cubic root of 16398512 is about 254.0591343500.

The spelling of 16398512 in words is "sixteen million, three hundred ninety-eight thousand, five hundred twelve".