28393110 has 48 divisors (see below), whose sum is σ = 74103120. Its totient is φ = 7542720.

The previous prime is 28393091. The next prime is 28393139. The reversal of 28393110 is 1139382.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34605 + ... + 35415.

It is an arithmetic number, because the mean of its divisors is an integer number (1543815).

Almost surely, 2^28393110 is an apocalyptic number.

28393110 is an abundant number, since it is smaller than the sum of its proper divisors (45710010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28393110 is a wasteful number, since it uses less digits than its factorization.

28393110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 28393110 is about 5328.5185558465. The cubic root of 28393110 is about 305.0733855484.

The spelling of 28393110 in words is "twenty-eight million, three hundred ninety-three thousand, one hundred ten".