326391107 has 12 divisors (see below), whose sum is σ = 384490080. Its totient is φ = 276219216.

The previous prime is 326391061. The next prime is 326391133. The reversal of 326391107 is 701193623.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-326391107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326391187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38288 + ... + 46029.

It is an arithmetic number, because the mean of its divisors is an integer number (32040840).

Almost surely, 2^326391107 is an apocalyptic number.

326391107 is a deficient number, since it is larger than the sum of its proper divisors (58098973).

326391107 is an equidigital number, since it uses as much as digits as its factorization.

326391107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84410 (or 84403 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 326391107 is about 18066.2975454297. The cubic root of 326391107 is about 688.5139951592.

The spelling of 326391107 in words is "three hundred twenty-six million, three hundred ninety-one thousand, one hundred seven".