321119964 has 90 divisors (see below), whose sum is σ = 922836992. Its totient is φ = 97297200.

The previous prime is 321119959. The next prime is 321119983. The reversal of 321119964 is 469911123.

It is a happy number.

It is a super-2 number, since 2×321119964² = 206236062558722592, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 35109 + ... + 43299.

Almost surely, 2^321119964 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 321119964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461418496).

321119964 is an abundant number, since it is smaller than the sum of its proper divisors (601717028).

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

321119964 is a wasteful number, since it uses less digits than its factorization.

321119964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8229 (or 8207 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 321119964 is about 17919.8204232074. The cubic root of 321119964 is about 684.7874126750.

The spelling of 321119964 in words is "three hundred twenty-one million, one hundred nineteen thousand, nine hundred sixty-four".