326138676 has 48 divisors (see below), whose sum is σ = 807984576. Its totient is φ = 102034944.

The previous prime is 326138639. The next prime is 326138677. The reversal of 326138676 is 676831623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326138677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78975 + ... + 83001.

It is an arithmetic number, because the mean of its divisors is an integer number (16833012).

Almost surely, 2^326138676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326138676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403992288).

326138676 is an abundant number, since it is smaller than the sum of its proper divisors (481845900).

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

326138676 is a wasteful number, since it uses less digits than its factorization.

326138676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448 (or 4446 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 326138676 is about 18059.3099535946. The cubic root of 326138676 is about 688.3364503895.

The spelling of 326138676 in words is "three hundred twenty-six million, one hundred thirty-eight thousand, six hundred seventy-six".