28182352 has 30 divisors (see below), whose sum is σ = 60022634. Its totient is φ = 12809280.

The previous prime is 28182247. The next prime is 28182367. The reversal of 28182352 is 25328182.

It can be written as a sum of positive squares in only one way, i.e., 19749136 + 8433216 = 4444^2 + 2904^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5343 + ... + 9214.

Almost surely, 2^28182352 is an apocalyptic number.

28182352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28182352 is an abundant number, since it is smaller than the sum of its proper divisors (31840282).

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

28182352 is a wasteful number, since it uses less digits than its factorization.

28182352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14587 (or 14570 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 28182352 is about 5308.7053035557. The cubic root of 28182352 is about 304.3166713995.

The spelling of 28182352 in words is "twenty-eight million, one hundred eighty-two thousand, three hundred fifty-two".