28657194 has 16 divisors (see below), whose sum is σ = 57604800. Its totient is φ = 9504000.

The previous prime is 28657163. The next prime is 28657201. The reversal of 28657194 is 49175682.

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, 10807 + ... + 13194.

It is an arithmetic number, because the mean of its divisors is an integer number (3600300).

Almost surely, 2^28657194 is an apocalyptic number.

28657194 is an abundant number, since it is smaller than the sum of its proper divisors (28947606).

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

28657194 is a wasteful number, since it uses less digits than its factorization.

28657194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24205.

The product of its digits is 120960, while the sum is 42.

The square root of 28657194 is about 5353.2414479453. The cubic root of 28657194 is about 306.0162962828.

The spelling of 28657194 in words is "twenty-eight million, six hundred fifty-seven thousand, one hundred ninety-four".