323407252 has 108 divisors (see below), whose sum is σ = 727436052. Its totient is φ = 124992000.

The previous prime is 323407241. The next prime is 323407289. The reversal of 323407252 is 252704323.

It can be written as a sum of positive squares in 2 ways, for example, as 286489476 + 36917776 = 16926^2 + 6076^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 323407252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3202002 + ... + 3202102.

It is an arithmetic number, because the mean of its divisors is an integer number (6735519).

Almost surely, 2^323407252 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 323407252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363718026).

323407252 is an abundant number, since it is smaller than the sum of its proper divisors (404028800).

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

323407252 is a wasteful number, since it uses less digits than its factorization.

323407252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 323407252 is about 17983.5272402274. The cubic root of 323407252 is about 686.4094459762.

The spelling of 323407252 in words is "three hundred twenty-three million, four hundred seven thousand, two hundred fifty-two".