28116264 has 32 divisors (see below), whose sum is σ = 76681440. Its totient is φ = 8520000.

The previous prime is 28116259. The next prime is 28116269. The reversal of 28116264 is 46261182.

It is an interprime number because it is at equal distance from previous prime (28116259) and next prime (28116269).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (28116269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52987 + ... + 53514.

It is an arithmetic number, because the mean of its divisors is an integer number (2396295).

Almost surely, 2^28116264 is an apocalyptic number.

28116264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28116264 is an abundant number, since it is smaller than the sum of its proper divisors (48565176).

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

28116264 is a wasteful number, since it uses less digits than its factorization.

28116264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106521 (or 106517 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 28116264 is about 5302.4771569522. The cubic root of 28116264 is about 304.0786096341.

The spelling of 28116264 in words is "twenty-eight million, one hundred sixteen thousand, two hundred sixty-four".