28936158 has 16 divisors (see below), whose sum is σ = 57926016. Its totient is φ = 9636440.

The previous prime is 28936157. The next prime is 28936177. The reversal of 28936158 is 85163982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28936151) 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, 9535 + ... + 12197.

It is an arithmetic number, because the mean of its divisors is an integer number (3620376).

Almost surely, 2^28936158 is an apocalyptic number.

28936158 is an abundant number, since it is smaller than the sum of its proper divisors (28989858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28936158 is a wasteful number, since it uses less digits than its factorization.

28936158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479.

The product of its digits is 103680, while the sum is 42.

The square root of 28936158 is about 5379.2339603330. The cubic root of 28936158 is about 307.0060653733.

The spelling of 28936158 in words is "twenty-eight million, nine hundred thirty-six thousand, one hundred fifty-eight".