28862957 has 16 divisors (see below), whose sum is σ = 32405760. Its totient is φ = 25546752.

The previous prime is 28862941. The next prime is 28862963. The reversal of 28862957 is 75926882.

It is a cyclic number.

It is not a de Polignac number, because 28862957 - 2⁴ = 28862941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28862927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62108 + ... + 62570.

It is an arithmetic number, because the mean of its divisors is an integer number (2025360).

Almost surely, 2^28862957 is an apocalyptic number.

It is an amenable number.

28862957 is a deficient number, since it is larger than the sum of its proper divisors (3542803).

28862957 is a wasteful number, since it uses less digits than its factorization.

28862957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

The product of its digits is 483840, while the sum is 47.

The square root of 28862957 is about 5372.4256160509. The cubic root of 28862957 is about 306.7469647688.

The spelling of 28862957 in words is "twenty-eight million, eight hundred sixty-two thousand, nine hundred fifty-seven".