28882090 has 32 divisors (see below), whose sum is σ = 55520640. Its totient is φ = 10785600.

The previous prime is 28882069. The next prime is 28882103. The reversal of 28882090 is 9028882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12420 + ... + 14560.

It is an arithmetic number, because the mean of its divisors is an integer number (1735020).

Almost surely, 2^28882090 is an apocalyptic number.

28882090 is a deficient number, since it is larger than the sum of its proper divisors (26638550).

28882090 is a wasteful number, since it uses less digits than its factorization.

28882090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 28882090 is about 5374.2059878646. The cubic root of 28882090 is about 306.8147297512.

The spelling of 28882090 in words is "twenty-eight million, eight hundred eighty-two thousand, ninety".