28862156 has 24 divisors (see below), whose sum is σ = 51779280. Its totient is φ = 14072832.

The previous prime is 28862149. The next prime is 28862161. The reversal of 28862156 is 65126882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27815 + ... + 28833.

It is an arithmetic number, because the mean of its divisors is an integer number (2157470).

Almost surely, 2^28862156 is an apocalyptic number.

It is an amenable number.

28862156 is a deficient number, since it is larger than the sum of its proper divisors (22917124).

28862156 is a wasteful number, since it uses less digits than its factorization.

28862156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1191 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 28862156 is about 5372.3510682010. The cubic root of 28862156 is about 306.7441271456.

The spelling of 28862156 in words is "twenty-eight million, eight hundred sixty-two thousand, one hundred fifty-six".