28356352 has 36 divisors (see below), whose sum is σ = 56954016. Its totient is φ = 14090240.

The previous prime is 28356347. The next prime is 28356359. The reversal of 28356352 is 25365382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28356359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65577 + ... + 66007.

It is an arithmetic number, because the mean of its divisors is an integer number (1582056).

Almost surely, 2^28356352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28356352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28477008).

28356352 is an abundant number, since it is smaller than the sum of its proper divisors (28597664).

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

28356352 is an equidigital number, since it uses as much as digits as its factorization.

28356352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 690 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 28356352 is about 5325.0682624733. The cubic root of 28356352 is about 304.9416783585.

The spelling of 28356352 in words is "twenty-eight million, three hundred fifty-six thousand, three hundred fifty-two".