322949916 has 192 divisors, whose sum is σ = 936768000. Its totient is φ = 96997824.

The previous prime is 322949899. The next prime is 322949933. The reversal of 322949916 is 619949223.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (322949899) and next prime (322949933).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4820115 + ... + 4820181.

It is an arithmetic number, because the mean of its divisors is an integer number (4879000).

Almost surely, 2^322949916 is an apocalyptic number.

322949916 is a gapful number since it is divisible by the number (36) 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 322949916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468384000).

322949916 is an abundant number, since it is smaller than the sum of its proper divisors (613818084).

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

322949916 is a wasteful number, since it uses less digits than its factorization.

322949916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 120 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 322949916 is about 17970.8073274408. The cubic root of 322949916 is about 686.0857387021.

The spelling of 322949916 in words is "three hundred twenty-two million, nine hundred forty-nine thousand, nine hundred sixteen".