15428456 has 16 divisors (see below), whose sum is σ = 30451200. Its totient is φ = 7308144.

The previous prime is 15428453. The next prime is 15428461. The reversal of 15428456 is 65482451.

It is not an unprimeable number, because it can be changed into a prime (15428453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50600 + ... + 50903.

It is an arithmetic number, because the mean of its divisors is an integer number (1903200).

Almost surely, 2^15428456 is an apocalyptic number.

It is an amenable number.

15428456 is a deficient number, since it is larger than the sum of its proper divisors (15022744).

15428456 is a wasteful number, since it uses less digits than its factorization.

15428456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101528 (or 101524 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 15428456 is about 3927.9073308824. The cubic root of 15428456 is about 248.9473391751.

The spelling of 15428456 in words is "fifteen million, four hundred twenty-eight thousand, four hundred fifty-six".