16394964 has 24 divisors (see below), whose sum is σ = 38458560. Its totient is φ = 5435904.

The previous prime is 16394951. The next prime is 16394971. The reversal of 16394964 is 46949361.

It is a super-2 number, since 2×16394964² = 537589689122592, which contains 22 as substring.

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, 1224 + ... + 5855.

It is an arithmetic number, because the mean of its divisors is an integer number (1602440).

Almost surely, 2^16394964 is an apocalyptic number.

It is an amenable number.

16394964 is an abundant number, since it is smaller than the sum of its proper divisors (22063596).

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

16394964 is a wasteful number, since it uses less digits than its factorization.

16394964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7279 (or 7277 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 16394964 is about 4049.0695227422. The cubic root of 16394964 is about 254.0408101910.

The spelling of 16394964 in words is "sixteen million, three hundred ninety-four thousand, nine hundred sixty-four".