16309372 has 24 divisors (see below), whose sum is σ = 30618000. Its totient is φ = 7577856.

The previous prime is 16309361. The next prime is 16309373. The reversal of 16309372 is 27390361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16309373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2004 + ... + 6052.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^16309372 is an apocalyptic number.

It is an amenable number.

16309372 is a deficient number, since it is larger than the sum of its proper divisors (14308628).

16309372 is a wasteful number, since it uses less digits than its factorization.

16309372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125 (or 4123 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 16309372 is about 4038.4863501069. The cubic root of 16309372 is about 253.5979544860.

The spelling of 16309372 in words is "sixteen million, three hundred nine thousand, three hundred seventy-two".