28583260 has 12 divisors (see below), whose sum is σ = 60024888. Its totient is φ = 11433296.

The previous prime is 28583207. The next prime is 28583287. The reversal of 28583260 is 6238582.

It is a congruent number.

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, 714562 + ... + 714601.

It is an arithmetic number, because the mean of its divisors is an integer number (5002074).

Almost surely, 2^28583260 is an apocalyptic number.

28583260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28583260 is an abundant number, since it is smaller than the sum of its proper divisors (31441628).

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

28583260 is a wasteful number, since it uses less digits than its factorization.

28583260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429172 (or 1429170 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 28583260 is about 5346.3314525009. The cubic root of 28583260 is about 305.7529011776.

The spelling of 28583260 in words is "twenty-eight million, five hundred eighty-three thousand, two hundred sixty".