28960975 has 12 divisors (see below), whose sum is σ = 37071040. Its totient is φ = 22420800.

The previous prime is 28960969. The next prime is 28960991. The reversal of 28960975 is 57906982.

It is not a de Polignac number, because 28960975 - 2¹³ = 28952783 is a prime.

It is a congruent number.

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, 17910 + ... + 19459.

Almost surely, 2^28960975 is an apocalyptic number.

28960975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28960975 is a deficient number, since it is larger than the sum of its proper divisors (8110065).

28960975 is a wasteful number, since it uses less digits than its factorization.

28960975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37410 (or 37405 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 28960975 is about 5381.5402070411. The cubic root of 28960975 is about 307.0938078722.

The spelling of 28960975 in words is "twenty-eight million, nine hundred sixty thousand, nine hundred seventy-five".