28413324 has 54 divisors (see below), whose sum is σ = 76323884. Its totient is φ = 8910720.

The previous prime is 28413317. The next prime is 28413383. The reversal of 28413324 is 42331482.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9039 + ... + 11769.

Almost surely, 2^28413324 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 28413324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38161942).

28413324 is an abundant number, since it is smaller than the sum of its proper divisors (47910560).

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

28413324 is a wasteful number, since it uses less digits than its factorization.

28413324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775 (or 2753 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 28413324 is about 5330.4149932252. The cubic root of 28413324 is about 305.1457656735.

The spelling of 28413324 in words is "twenty-eight million, four hundred thirteen thousand, three hundred twenty-four".