28964158 has 12 divisors (see below), whose sum is σ = 46153152. Its totient is φ = 13629920.

The previous prime is 28964119. The next prime is 28964161. The reversal of 28964158 is 85146982.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24478 + ... + 25633.

It is an arithmetic number, because the mean of its divisors is an integer number (3846096).

Almost surely, 2^28964158 is an apocalyptic number.

28964158 is a deficient number, since it is larger than the sum of its proper divisors (17188994).

28964158 is a wasteful number, since it uses less digits than its factorization.

28964158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50147 (or 50130 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 28964158 is about 5381.8359320960. The cubic root of 28964158 is about 307.1050579974.

The spelling of 28964158 in words is "twenty-eight million, nine hundred sixty-four thousand, one hundred fifty-eight".