28310352 has 80 divisors (see below), whose sum is σ = 84458880. Its totient is φ = 8004096.

The previous prime is 28310333. The next prime is 28310363. The reversal of 28310352 is 25301382.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36238 + ... + 37010.

It is an arithmetic number, because the mean of its divisors is an integer number (1055736).

Almost surely, 2^28310352 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 28310352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42229440).

28310352 is an abundant number, since it is smaller than the sum of its proper divisors (56148528).

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

28310352 is a wasteful number, since it uses less digits than its factorization.

28310352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 28310352 is about 5320.7473159322. The cubic root of 28310352 is about 304.7766958161.

The spelling of 28310352 in words is "twenty-eight million, three hundred ten thousand, three hundred fifty-two".