325398630 has 128 divisors (see below), whose sum is σ = 843448320. Its totient is φ = 80196480.

The previous prime is 325398569. The next prime is 325398637. The reversal of 325398630 is 36893523.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325398637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3159159 + ... + 3159261.

It is an arithmetic number, because the mean of its divisors is an integer number (6589440).

Almost surely, 2^325398630 is an apocalyptic number.

325398630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 325398630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421724160).

325398630 is an abundant number, since it is smaller than the sum of its proper divisors (518049690).

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

325398630 is a wasteful number, since it uses less digits than its factorization.

325398630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 325398630 is about 18038.8089961616. The cubic root of 325398630 is about 687.8154180221.

It can be divided in two parts, 325398 and 630, that added together give a triangular number (326028 = T₈₀₇).

The spelling of 325398630 in words is "three hundred twenty-five million, three hundred ninety-eight thousand, six hundred thirty".