28935157 has 8 divisors (see below), whose sum is σ = 30555200. Its totient is φ = 27324864.

The previous prime is 28935131. The next prime is 28935161. The reversal of 28935157 is 75153982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28935157 is a prime.

It is a super-2 number, since 2×28935157² = 1674486621229298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28935107) 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, 4144 + ... + 8662.

It is an arithmetic number, because the mean of its divisors is an integer number (3819400).

Almost surely, 2^28935157 is an apocalyptic number.

It is an amenable number.

28935157 is a deficient number, since it is larger than the sum of its proper divisors (1620043).

28935157 is a wasteful number, since it uses less digits than its factorization.

28935157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875.

The product of its digits is 75600, while the sum is 40.

The square root of 28935157 is about 5379.1409165405. The cubic root of 28935157 is about 307.0025252050.

It can be divided in two parts, 28935 and 157, that added together give a palindrome (29092).

The spelling of 28935157 in words is "twenty-eight million, nine hundred thirty-five thousand, one hundred fifty-seven".