28594087 has 8 divisors (see below), whose sum is σ = 29726640. Its totient is φ = 27471360.

The previous prime is 28594073. The next prime is 28594091. The reversal of 28594087 is 78049582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28594087 is a prime.

It is a super-2 number, since 2×28594087² = 1635243622727138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28594057) 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, 3783 + ... + 8455.

It is an arithmetic number, because the mean of its divisors is an integer number (3715830).

Almost surely, 2^28594087 is an apocalyptic number.

28594087 is a deficient number, since it is larger than the sum of its proper divisors (1132553).

28594087 is a wasteful number, since it uses less digits than its factorization.

28594087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 28594087 is about 5347.3439201159. The cubic root of 28594087 is about 305.7915014955.

The spelling of 28594087 in words is "twenty-eight million, five hundred ninety-four thousand, eighty-seven".