28325010 has 128 divisors (see below), whose sum is σ = 84787200. Its totient is φ = 5909760.

The previous prime is 28324997. The next prime is 28325021. The reversal of 28325010 is 1052382.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123576 + ... + 123804.

It is an arithmetic number, because the mean of its divisors is an integer number (662400).

Almost surely, 2^28325010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28325010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42393600).

28325010 is an abundant number, since it is smaller than the sum of its proper divisors (56462190).

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

28325010 is a wasteful number, since it uses less digits than its factorization.

28325010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 28325010 is about 5322.1245757686. The cubic root of 28325010 is about 304.8292872499.

Adding to 28325010 its reverse (1052382), we get a palindrome (29377392).

The spelling of 28325010 in words is "twenty-eight million, three hundred twenty-five thousand, ten".