325239420 has 96 divisors (see below), whose sum is σ = 999371520. Its totient is φ = 78376960.

The previous prime is 325239419. The next prime is 325239449. The reversal of 325239420 is 24932523.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116764 + ... + 119516.

It is an arithmetic number, because the mean of its divisors is an integer number (10410120).

Almost surely, 2^325239420 is an apocalyptic number.

325239420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325239420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499685760).

325239420 is an abundant number, since it is smaller than the sum of its proper divisors (674132100).

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

325239420 is a wasteful number, since it uses less digits than its factorization.

325239420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955 (or 2953 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 325239420 is about 18034.3954708773. The cubic root of 325239420 is about 687.7032223466.

The spelling of 325239420 in words is "three hundred twenty-five million, two hundred thirty-nine thousand, four hundred twenty".