326804538 has 16 divisors (see below), whose sum is σ = 676147680. Its totient is φ = 105178416.

The previous prime is 326804507. The next prime is 326804557. The reversal of 326804538 is 835408623.

It is a junction number, because it is equal to n+sod(n) for n = 326804496 and 326804505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938920 + ... + 939267.

It is an arithmetic number, because the mean of its divisors is an integer number (42259230).

Almost surely, 2^326804538 is an apocalyptic number.

326804538 is an abundant number, since it is smaller than the sum of its proper divisors (349343142).

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

326804538 is a wasteful number, since it uses less digits than its factorization.

326804538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878221.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 326804538 is about 18077.7359755031. The cubic root of 326804538 is about 688.8045800030.

The spelling of 326804538 in words is "three hundred twenty-six million, eight hundred four thousand, five hundred thirty-eight".