28862163 has 40 divisors (see below), whose sum is σ = 48700080. Its totient is φ = 16873920.

The previous prime is 28862161. The next prime is 28862167. The reversal of 28862163 is 36126882.

28862163 is a `hidden beast` number, since 28 + 8 + 621 + 6 + 3 = 666.

It is not a de Polignac number, because 28862163 - 2¹ = 28862161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28862161) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25281 + ... + 26397.

It is an arithmetic number, because the mean of its divisors is an integer number (1217502).

Almost surely, 2^28862163 is an apocalyptic number.

28862163 is a deficient number, since it is larger than the sum of its proper divisors (19837917).

28862163 is a wasteful number, since it uses less digits than its factorization.

28862163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1160 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 28862163 is about 5372.3517196848. The cubic root of 28862163 is about 306.7441519440.

The spelling of 28862163 in words is "twenty-eight million, eight hundred sixty-two thousand, one hundred sixty-three".