16404952 has 32 divisors (see below), whose sum is σ = 32860800. Its totient is φ = 7660800.

The previous prime is 16404937. The next prime is 16404953. The reversal of 16404952 is 25940461.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16404953) by changing a digit.

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, 6052 + ... + 8332.

It is an arithmetic number, because the mean of its divisors is an integer number (1026900).

Almost surely, 2^16404952 is an apocalyptic number.

It is an amenable number.

16404952 is an abundant number, since it is smaller than the sum of its proper divisors (16455848).

16404952 is a wasteful number, since it uses less digits than its factorization.

16404952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 16404952 is about 4050.3027047370. The cubic root of 16404952 is about 254.0923879097.

The spelling of 16404952 in words is "sixteen million, four hundred four thousand, nine hundred fifty-two".