326764416 has 64 divisors (see below), whose sum is σ = 946886400. Its totient is φ = 99018240.

The previous prime is 326764409. The next prime is 326764447. The reversal of 326764416 is 614467623.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34456 + ... + 42903.

It is an arithmetic number, because the mean of its divisors is an integer number (14795100).

Almost surely, 2^326764416 is an apocalyptic number.

It is an amenable number.

326764416 is an abundant number, since it is smaller than the sum of its proper divisors (620121984).

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

326764416 is a wasteful number, since it uses less digits than its factorization.

326764416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77387 (or 77375 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 326764416 is about 18076.6262338966. The cubic root of 326764416 is about 688.7763905246.

The spelling of 326764416 in words is "three hundred twenty-six million, seven hundred sixty-four thousand, four hundred sixteen".