325816920 has 192 divisors, whose sum is σ = 1244224800. Its totient is φ = 72898560.

The previous prime is 325816877. The next prime is 325816927. The reversal of 325816920 is 29618523.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325816927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48316 + ... + 54644.

Almost surely, 2^325816920 is an apocalyptic number.

325816920 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 325816920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622112400).

325816920 is an abundant number, since it is smaller than the sum of its proper divisors (918407880).

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

325816920 is a wasteful number, since it uses less digits than its factorization.

325816920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370 (or 6363 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 325816920 is about 18050.3994415636. The cubic root of 325816920 is about 688.1100137307.

The spelling of 325816920 in words is "three hundred twenty-five million, eight hundred sixteen thousand, nine hundred twenty".