28054164 has 48 divisors (see below), whose sum is σ = 67173120. Its totient is φ = 9110400.

The previous prime is 28054157. The next prime is 28054193. The reversal of 28054164 is 46145082.

It is a super-2 number, since 2×28054164² = 1574072235477792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95602 + ... + 95894.

It is an arithmetic number, because the mean of its divisors is an integer number (1399440).

Almost surely, 2^28054164 is an apocalyptic number.

It is an amenable number.

28054164 is an abundant number, since it is smaller than the sum of its proper divisors (39118956).

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

28054164 is a wasteful number, since it uses less digits than its factorization.

28054164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 28054164 is about 5296.6181663397. The cubic root of 28054164 is about 303.8545732169.

The spelling of 28054164 in words is "twenty-eight million, fifty-four thousand, one hundred sixty-four".