326672340 has 48 divisors (see below), whose sum is σ = 968490432. Its totient is φ = 81988096.

The previous prime is 326672317. The next prime is 326672363. The reversal of 326672340 is 43276623.

It is an interprime number because it is at equal distance from previous prime (326672317) and next prime (326672363).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159114 + ... + 161153.

It is an arithmetic number, because the mean of its divisors is an integer number (20176884).

Almost surely, 2^326672340 is an apocalyptic number.

326672340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326672340 is an abundant number, since it is smaller than the sum of its proper divisors (641818092).

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

326672340 is a wasteful number, since it uses less digits than its factorization.

326672340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320296 (or 320294 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 326672340 is about 18074.0792296593. The cubic root of 326672340 is about 688.7116897498.

The spelling of 326672340 in words is "three hundred twenty-six million, six hundred seventy-two thousand, three hundred forty".