28874158 has 8 divisors (see below), whose sum is σ = 43338240. Its totient is φ = 14428080.

The previous prime is 28874149. The next prime is 28874161. The reversal of 28874158 is 85147882.

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

It is a congruent number.

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, 723 + ... + 7633.

It is an arithmetic number, because the mean of its divisors is an integer number (5417280).

Almost surely, 2^28874158 is an apocalyptic number.

28874158 is a deficient number, since it is larger than the sum of its proper divisors (14464082).

28874158 is a wasteful number, since it uses less digits than its factorization.

28874158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002.

The product of its digits is 143360, while the sum is 43.

The square root of 28874158 is about 5373.4679677095. The cubic root of 28874158 is about 306.7866399413.

The spelling of 28874158 in words is "twenty-eight million, eight hundred seventy-four thousand, one hundred fifty-eight".