28046756 has 12 divisors (see below), whose sum is σ = 49159068. Its totient is φ = 14001312.

The previous prime is 28046749. The next prime is 28046761. The reversal of 28046756 is 65764082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23136100 + 4910656 = 4810^2 + 2216^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2471 + ... + 7886.

It is an arithmetic number, because the mean of its divisors is an integer number (4096589).

Almost surely, 2^28046756 is an apocalyptic number.

It is an amenable number.

28046756 is a deficient number, since it is larger than the sum of its proper divisors (21112312).

28046756 is a wasteful number, since it uses less digits than its factorization.

28046756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11038 (or 11036 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 28046756 is about 5295.9188060241. The cubic root of 28046756 is about 303.8278255199.

The spelling of 28046756 in words is "twenty-eight million, forty-six thousand, seven hundred fifty-six".