321925104 has 100 divisors (see below), whose sum is σ = 942551280. Its totient is φ = 106064640.

The previous prime is 321925103. The next prime is 321925117. The reversal of 321925104 is 401529123.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321925103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113949 + ... + 116739.

Almost surely, 2^321925104 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 321925104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471275640).

321925104 is an abundant number, since it is smaller than the sum of its proper divisors (620626176).

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

321925104 is a wasteful number, since it uses less digits than its factorization.

321925104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900 (or 2885 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 321925104 is about 17942.2714281108. The cubic root of 321925104 is about 685.3592546059.

The spelling of 321925104 in words is "three hundred twenty-one million, nine hundred twenty-five thousand, one hundred four".