28975359 has 32 divisors (see below), whose sum is σ = 46596096. Its totient is φ = 15665760.

The previous prime is 28975343. The next prime is 28975367. The reversal of 28975359 is 95357982.

It is a happy number.

It is not a de Polignac number, because 28975359 - 2⁴ = 28975343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28975339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30124 + ... + 31070.

It is an arithmetic number, because the mean of its divisors is an integer number (1456128).

Almost surely, 2^28975359 is an apocalyptic number.

28975359 is a deficient number, since it is larger than the sum of its proper divisors (17620737).

28975359 is a wasteful number, since it uses less digits than its factorization.

28975359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035.

The product of its digits is 680400, while the sum is 48.

The square root of 28975359 is about 5382.8764615213. The cubic root of 28975359 is about 307.1446407169.

It can be divided in two parts, 2897 and 5359, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 28975359 in words is "twenty-eight million, nine hundred seventy-five thousand, three hundred fifty-nine".