322323904 has 84 divisors (see below), whose sum is σ = 771869424. Its totient is φ = 130802688.

The previous prime is 322323889. The next prime is 322323907. The reversal of 322323904 is 409323223.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322323907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160732 + ... + 162724.

Almost surely, 2^322323904 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 322323904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385934712).

322323904 is an abundant number, since it is smaller than the sum of its proper divisors (449545520).

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

322323904 is a wasteful number, since it uses less digits than its factorization.

322323904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 322323904 is about 17953.3814085258. The cubic root of 322323904 is about 685.6421449239.

The spelling of 322323904 in words is "three hundred twenty-two million, three hundred twenty-three thousand, nine hundred four".