28010164 has 36 divisors (see below), whose sum is σ = 61412484. Its totient is φ = 11079936.

The previous prime is 28010149. The next prime is 28010183. The reversal of 28010164 is 46101082.

It can be written as a sum of positive squares in 2 ways, for example, as 4410000 + 23600164 = 2100^2 + 4858^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2949 + ... + 8044.

Almost surely, 2^28010164 is an apocalyptic number.

It is an amenable number.

28010164 is an abundant number, since it is smaller than the sum of its proper divisors (33402320).

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

28010164 is a wasteful number, since it uses less digits than its factorization.

28010164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11024 (or 11015 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 28010164 is about 5292.4629427139. The cubic root of 28010164 is about 303.6956354692.

The spelling of 28010164 in words is "twenty-eight million, ten thousand, one hundred sixty-four".