326197380 has 24 divisors (see below), whose sum is σ = 913352832. Its totient is φ = 86985952.

The previous prime is 326197373. The next prime is 326197381. The reversal of 326197380 is 83791623.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (326197381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2718252 + ... + 2718371.

It is an arithmetic number, because the mean of its divisors is an integer number (38056368).

Almost surely, 2^326197380 is an apocalyptic number.

326197380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326197380 is an abundant number, since it is smaller than the sum of its proper divisors (587155452).

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

326197380 is a wasteful number, since it uses less digits than its factorization.

326197380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436635 (or 5436633 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 326197380 is about 18060.9351917336. The cubic root of 326197380 is about 688.3777474222.

The spelling of 326197380 in words is "three hundred twenty-six million, one hundred ninety-seven thousand, three hundred eighty".