28335472 has 20 divisors (see below), whose sum is σ = 59891256. Its totient is φ = 12879680.

The previous prime is 28335467. The next prime is 28335487. The reversal of 28335472 is 27453382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80323 + ... + 80674.

Almost surely, 2^28335472 is an apocalyptic number.

28335472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28335472 is an abundant number, since it is smaller than the sum of its proper divisors (31555784).

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

28335472 is a wasteful number, since it uses less digits than its factorization.

28335472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161016 (or 161010 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 28335472 is about 5323.1073631855. The cubic root of 28335472 is about 304.8668127612.

The spelling of 28335472 in words is "twenty-eight million, three hundred thirty-five thousand, four hundred seventy-two".