28860368 has 20 divisors (see below), whose sum is σ = 56278020. Its totient is φ = 14337024.

The previous prime is 28860367. The next prime is 28860383. The reversal of 28860368 is 86306882.

It can be written as a sum of positive squares in 2 ways, for example, as 7441984 + 21418384 = 2728^2 + 4628^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28860367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3233 + ... + 8256.

It is an arithmetic number, because the mean of its divisors is an integer number (2813901).

Almost surely, 2^28860368 is an apocalyptic number.

It is an amenable number.

28860368 is a deficient number, since it is larger than the sum of its proper divisors (27417652).

28860368 is a wasteful number, since it uses less digits than its factorization.

28860368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11654 (or 11648 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 28860368 is about 5372.1846580325. The cubic root of 28860368 is about 306.7377927860.

The spelling of 28860368 in words is "twenty-eight million, eight hundred sixty thousand, three hundred sixty-eight".