28031082 has 16 divisors (see below), whose sum is σ = 57255552. Its totient is φ = 9144800.

The previous prime is 28031071. The next prime is 28031083. The reversal of 28031082 is 28013082.

It is not an unprimeable number, because it can be changed into a prime (28031083) 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, 49419 + ... + 49982.

It is an arithmetic number, because the mean of its divisors is an integer number (3578472).

Almost surely, 2^28031082 is an apocalyptic number.

28031082 is an abundant number, since it is smaller than the sum of its proper divisors (29224470).

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

28031082 is a wasteful number, since it uses less digits than its factorization.

28031082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99453.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 28031082 is about 5294.4387804563. The cubic root of 28031082 is about 303.7712166589.

The spelling of 28031082 in words is "twenty-eight million, thirty-one thousand, eighty-two".