28359120 has 40 divisors (see below), whose sum is σ = 87914016. Its totient is φ = 7562368.

The previous prime is 28359109. The next prime is 28359127. The reversal of 28359120 is 2195382.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28359127) 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, 58842 + ... + 59321.

Almost surely, 2^28359120 is an apocalyptic number.

28359120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28359120 is an abundant number, since it is smaller than the sum of its proper divisors (59554896).

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

28359120 is a wasteful number, since it uses less digits than its factorization.

28359120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118179 (or 118173 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 28359120 is about 5325.3281589025. The cubic root of 28359120 is about 304.9516003107.

The spelling of 28359120 in words is "twenty-eight million, three hundred fifty-nine thousand, one hundred twenty".