326120388 has 48 divisors (see below), whose sum is σ = 831190080. Its totient is φ = 98697600.

The previous prime is 326120383. The next prime is 326120413. The reversal of 326120388 is 883021623.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (326120383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181398 + ... + 183186.

It is an arithmetic number, because the mean of its divisors is an integer number (17316460).

Almost surely, 2^326120388 is an apocalyptic number.

It is an amenable number.

326120388 is an abundant number, since it is smaller than the sum of its proper divisors (505069692).

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

326120388 is a wasteful number, since it uses less digits than its factorization.

326120388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188 (or 3186 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 326120388 is about 18058.8036148578. The cubic root of 326120388 is about 688.3235841527.

The spelling of 326120388 in words is "three hundred twenty-six million, one hundred twenty thousand, three hundred eighty-eight".