28456675 has 12 divisors (see below), whose sum is σ = 38001040. Its totient is φ = 21013920.

The previous prime is 28456651. The next prime is 28456717. The reversal of 28456675 is 57665482.

It is not a de Polignac number, because 28456675 - 2⁵ = 28456643 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43455 + ... + 44104.

Almost surely, 2^28456675 is an apocalyptic number.

28456675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28456675 is a deficient number, since it is larger than the sum of its proper divisors (9544365).

28456675 is a wasteful number, since it uses less digits than its factorization.

28456675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87582 (or 87577 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 28456675 is about 5334.4798246877. The cubic root of 28456675 is about 305.3008766131.

The spelling of 28456675 in words is "twenty-eight million, four hundred fifty-six thousand, six hundred seventy-five".