28675957 has 8 divisors (see below), whose sum is σ = 30566592. Its totient is φ = 26808000.

The previous prime is 28675943. The next prime is 28675967. The reversal of 28675957 is 75957682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28675957 - 2¹⁵ = 28643189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28675957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28675967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3019 + ... + 8152.

It is an arithmetic number, because the mean of its divisors is an integer number (3820824).

Almost surely, 2^28675957 is an apocalyptic number.

It is an amenable number.

28675957 is a deficient number, since it is larger than the sum of its proper divisors (1890635).

28675957 is a wasteful number, since it uses less digits than its factorization.

28675957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11339.

The product of its digits is 1058400, while the sum is 49.

The square root of 28675957 is about 5354.9936507899. The cubic root of 28675957 is about 306.0830687088.

The spelling of 28675957 in words is "twenty-eight million, six hundred seventy-five thousand, nine hundred fifty-seven".