28160924 has 24 divisors (see below), whose sum is σ = 56101248. Its totient is φ = 12243440.

The previous prime is 28160903. The next prime is 28160929. The reversal of 28160924 is 42906182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28160929) 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, 12902 + ... + 14925.

It is an arithmetic number, because the mean of its divisors is an integer number (2337552).

Almost surely, 2^28160924 is an apocalyptic number.

It is an amenable number.

28160924 is a deficient number, since it is larger than the sum of its proper divisors (27940324).

28160924 is a wasteful number, since it uses less digits than its factorization.

28160924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27865 (or 27863 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 28160924 is about 5306.6867252552. The cubic root of 28160924 is about 304.2395244079.

The spelling of 28160924 in words is "twenty-eight million, one hundred sixty thousand, nine hundred twenty-four".