28474665 has 32 divisors (see below), whose sum is σ = 47882880. Its totient is φ = 14429184.

The previous prime is 28474657. The next prime is 28474703. The reversal of 28474665 is 56647482.

It is not a de Polignac number, because 28474665 - 2³ = 28474657 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28657 + ... + 29633.

It is an arithmetic number, because the mean of its divisors is an integer number (1496340).

Almost surely, 2^28474665 is an apocalyptic number.

It is an amenable number.

28474665 is a deficient number, since it is larger than the sum of its proper divisors (19408215).

28474665 is a wasteful number, since it uses less digits than its factorization.

28474665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its digits is 322560, while the sum is 42.

The square root of 28474665 is about 5336.1657582950. The cubic root of 28474665 is about 305.3651990234.

The spelling of 28474665 in words is "twenty-eight million, four hundred seventy-four thousand, six hundred sixty-five".