326315780 has 24 divisors (see below), whose sum is σ = 783158208. Its totient is φ = 111879648.

The previous prime is 326315771. The next prime is 326315819. The reversal of 326315780 is 87513623.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 326315780.

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, 1165274 + ... + 1165553.

It is an arithmetic number, because the mean of its divisors is an integer number (32631592).

Almost surely, 2^326315780 is an apocalyptic number.

It is an amenable number.

326315780 is an abundant number, since it is smaller than the sum of its proper divisors (456842428).

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

326315780 is a wasteful number, since it uses less digits than its factorization.

326315780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330843 (or 2330841 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 326315780 is about 18064.2126869676. The cubic root of 326315780 is about 688.4610242674.

The spelling of 326315780 in words is "three hundred twenty-six million, three hundred fifteen thousand, seven hundred eighty".