28594086 has 16 divisors (see below), whose sum is σ = 57288000. Its totient is φ = 9514728.

The previous prime is 28594073. The next prime is 28594091. The reversal of 28594086 is 68049582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 7563.

It is an arithmetic number, because the mean of its divisors is an integer number (3580500).

Almost surely, 2^28594086 is an apocalyptic number.

28594086 is an abundant number, since it is smaller than the sum of its proper divisors (28693914).

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

28594086 is a wasteful number, since it uses less digits than its factorization.

28594086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 28594086 is about 5347.3438266115. The cubic root of 28594086 is about 305.7914979308.

The spelling of 28594086 in words is "twenty-eight million, five hundred ninety-four thousand, eighty-six".