28412590 has 48 divisors (see below), whose sum is σ = 55184976. Its totient is φ = 10524800.

The previous prime is 28412569. The next prime is 28412597. The reversal of 28412590 is 9521482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28412597) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 216825 + ... + 216955.

It is an arithmetic number, because the mean of its divisors is an integer number (1149687).

Almost surely, 2^28412590 is an apocalyptic number.

28412590 is a deficient number, since it is larger than the sum of its proper divisors (26772386).

28412590 is a wasteful number, since it uses less digits than its factorization.

28412590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 28412590 is about 5330.3461426065. The cubic root of 28412590 is about 305.1431380456.

The spelling of 28412590 in words is "twenty-eight million, four hundred twelve thousand, five hundred ninety".