28597118 has 8 divisors (see below), whose sum is σ = 46795320. Its totient is φ = 12998680.

The previous prime is 28597099. The next prime is 28597139. The reversal of 28597118 is 81179582.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649913 + ... + 649956.

It is an arithmetic number, because the mean of its divisors is an integer number (5849415).

Almost surely, 2^28597118 is an apocalyptic number.

28597118 is a deficient number, since it is larger than the sum of its proper divisors (18198202).

28597118 is a wasteful number, since it uses less digits than its factorization.

28597118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299882.

The product of its digits is 40320, while the sum is 41.

The square root of 28597118 is about 5347.6273243374. The cubic root of 28597118 is about 305.8023058423.

The spelling of 28597118 in words is "twenty-eight million, five hundred ninety-seven thousand, one hundred eighteen".