28125964 has 12 divisors (see below), whose sum is σ = 51360624. Its totient is φ = 13451504.

The previous prime is 28125931. The next prime is 28125967. The reversal of 28125964 is 46952182.

It is not an unprimeable number, because it can be changed into a prime (28125967) 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, 152767 + ... + 152950.

It is an arithmetic number, because the mean of its divisors is an integer number (4280052).

Almost surely, 2^28125964 is an apocalyptic number.

It is an amenable number.

28125964 is a deficient number, since it is larger than the sum of its proper divisors (23234660).

28125964 is a wasteful number, since it uses less digits than its factorization.

28125964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305744 (or 305742 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 28125964 is about 5303.3917449119. The cubic root of 28125964 is about 304.1135742532.

The spelling of 28125964 in words is "twenty-eight million, one hundred twenty-five thousand, nine hundred sixty-four".