325406664 has 96 divisors (see below), whose sum is σ = 971006400. Its totient is φ = 97626240.

The previous prime is 325406663. The next prime is 325406677. The reversal of 325406664 is 466604523.

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

It is not an unprimeable number, because it can be changed into a prime (325406663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79582 + ... + 83570.

It is an arithmetic number, because the mean of its divisors is an integer number (10114650).

Almost surely, 2^325406664 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 325406664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485503200).

325406664 is an abundant number, since it is smaller than the sum of its proper divisors (645599736).

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

325406664 is a wasteful number, since it uses less digits than its factorization.

325406664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115 (or 4108 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 325406664 is about 18039.0316813292. The cubic root of 325406664 is about 687.8210786315.

It can be divided in two parts, 32540 and 6664, that added together give a square (39204 = 198²).

The spelling of 325406664 in words is "three hundred twenty-five million, four hundred six thousand, six hundred sixty-four".