28344060 has 48 divisors (see below), whose sum is σ = 88183200. Its totient is φ = 7558272.

The previous prime is 28344053. The next prime is 28344061. The reversal of 28344060 is 6044382.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28344061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25705 + ... + 26784.

It is an arithmetic number, because the mean of its divisors is an integer number (1837150).

Almost surely, 2^28344060 is an apocalyptic number.

28344060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28344060 is an abundant number, since it is smaller than the sum of its proper divisors (59839140).

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

28344060 is a wasteful number, since it uses less digits than its factorization.

28344060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52507 (or 52499 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 28344060 is about 5323.9139737603. The cubic root of 28344060 is about 304.8976096333.

The spelling of 28344060 in words is "twenty-eight million, three hundred forty-four thousand, sixty".