28876258 has 8 divisors (see below), whose sum is σ = 43341228. Its totient is φ = 14429184.

The previous prime is 28876229. The next prime is 28876261. The reversal of 28876258 is 85267882.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19954089 + 8922169 = 4467^2 + 2987^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810 + ... + 7642.

Almost surely, 2^28876258 is an apocalyptic number.

28876258 is a deficient number, since it is larger than the sum of its proper divisors (14464970).

28876258 is a wasteful number, since it uses less digits than its factorization.

28876258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948.

The product of its digits is 430080, while the sum is 46.

The square root of 28876258 is about 5373.6633686899. The cubic root of 28876258 is about 306.7940772297.

The spelling of 28876258 in words is "twenty-eight million, eight hundred seventy-six thousand, two hundred fifty-eight".