28976260 has 24 divisors (see below), whose sum is σ = 61018776. Its totient is φ = 11558400.

The previous prime is 28976239. The next prime is 28976261. The reversal of 28976260 is 6267982.

It can be written as a sum of positive squares in 4 ways, for example, as 2268036 + 26708224 = 1506^2 + 5168^2 .

It is not an unprimeable number, because it can be changed into a prime (28976261) 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, 6214 + ... + 9826.

It is an arithmetic number, because the mean of its divisors is an integer number (2542449).

Almost surely, 2^28976260 is an apocalyptic number.

28976260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28976260 is an abundant number, since it is smaller than the sum of its proper divisors (32042516).

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

28976260 is a wasteful number, since it uses less digits than its factorization.

28976260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 28976260 is about 5382.9601521839. The cubic root of 28976260 is about 307.1478242778.

The spelling of 28976260 in words is "twenty-eight million, nine hundred seventy-six thousand, two hundred sixty".