28349164 has 24 divisors (see below), whose sum is σ = 50688288. Its totient is φ = 13870080.

The previous prime is 28349143. The next prime is 28349171. The reversal of 28349164 is 46194382.

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, 48844 + ... + 49420.

It is an arithmetic number, because the mean of its divisors is an integer number (2112012).

Almost surely, 2^28349164 is an apocalyptic number.

It is an amenable number.

28349164 is a deficient number, since it is larger than the sum of its proper divisors (22339124).

28349164 is a wasteful number, since it uses less digits than its factorization.

28349164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 823 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 28349164 is about 5324.3932987712. The cubic root of 28349164 is about 304.9159098109.

The spelling of 28349164 in words is "twenty-eight million, three hundred forty-nine thousand, one hundred sixty-four".