28167264 has 60 divisors (see below), whose sum is σ = 82846764. Its totient is φ = 9388224.

The previous prime is 28167263. The next prime is 28167277. The reversal of 28167264 is 46276182.

It is a super-2 number, since 2×28167264² = 1586789522491392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28167263) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2842 + ... + 8025.

Almost surely, 2^28167264 is an apocalyptic number.

28167264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28167264 is an abundant number, since it is smaller than the sum of its proper divisors (54679500).

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

28167264 is a wasteful number, since it uses less digits than its factorization.

28167264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10889 (or 10872 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 28167264 is about 5307.2840511885. The cubic root of 28167264 is about 304.2623543152.

The spelling of 28167264 in words is "twenty-eight million, one hundred sixty-seven thousand, two hundred sixty-four".