28325376 has 100 divisors (see below), whose sum is σ = 84667572. Its totient is φ = 9427968.

The previous prime is 28325359. The next prime is 28325377. The reversal of 28325376 is 67352382.

28325376 is a `hidden beast` number, since 283 + 2 + 5 + 376 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28325376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28325377) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41131 + ... + 41813.

Almost surely, 2^28325376 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 28325376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42333786).

28325376 is an abundant number, since it is smaller than the sum of its proper divisors (56342196).

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

28325376 is an frugal number, since it uses more digits than its factorization.

28325376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 688 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 28325376 is about 5322.1589604220. The cubic root of 28325376 is about 304.8306001890.

The spelling of 28325376 in words is "twenty-eight million, three hundred twenty-five thousand, three hundred seventy-six".