28110456 has 64 divisors (see below), whose sum is σ = 85190400. Its totient is φ = 8517600.

The previous prime is 28110431. The next prime is 28110479. The reversal of 28110456 is 65401182.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3540 + ... + 8291.

It is an arithmetic number, because the mean of its divisors is an integer number (1331100).

Almost surely, 2^28110456 is an apocalyptic number.

It is an amenable number.

28110456 is an abundant number, since it is smaller than the sum of its proper divisors (57079944).

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

28110456 is a wasteful number, since it uses less digits than its factorization.

28110456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11857 (or 11847 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 28110456 is about 5301.9294601117. The cubic root of 28110456 is about 304.0576702686.

The spelling of 28110456 in words is "twenty-eight million, one hundred ten thousand, four hundred fifty-six".