28082810 has 32 divisors (see below), whose sum is σ = 61171200. Its totient is φ = 9061632.

The previous prime is 28082809. The next prime is 28082833. The reversal of 28082810 is 1828082.

It is a super-2 number, since 2×28082810² = 1577288434992200, which contains 22 as substring.

It is a Curzon 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, 10610 + ... + 12989.

It is an arithmetic number, because the mean of its divisors is an integer number (1911600).

Almost surely, 2^28082810 is an apocalyptic number.

28082810 is an abundant number, since it is smaller than the sum of its proper divisors (33088390).

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

28082810 is a wasteful number, since it uses less digits than its factorization.

28082810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23630.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 28082810 is about 5299.3216547026. The cubic root of 28082810 is about 303.9579596181.

The spelling of 28082810 in words is "twenty-eight million, eighty-two thousand, eight hundred ten".