15428372 has 12 divisors (see below), whose sum is σ = 27325536. Its totient is φ = 7621080.

The previous prime is 15428363. The next prime is 15428383. The reversal of 15428372 is 27382451.

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 3 ways as a sum of consecutive naturals, for example, 22904 + ... + 23567.

It is an arithmetic number, because the mean of its divisors is an integer number (2277128).

Almost surely, 2^15428372 is an apocalyptic number.

It is an amenable number.

15428372 is a deficient number, since it is larger than the sum of its proper divisors (11897164).

15428372 is a wasteful number, since it uses less digits than its factorization.

15428372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46558 (or 46556 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 15428372 is about 3927.8966381513. The cubic root of 15428372 is about 248.9468873776.

The spelling of 15428372 in words is "fifteen million, four hundred twenty-eight thousand, three hundred seventy-two".