326385394 has 16 divisors (see below), whose sum is σ = 504345600. Its totient is φ = 158321520.

The previous prime is 326385377. The next prime is 326385407. The reversal of 326385394 is 493583623.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 326385394.

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 7 ways as a sum of consecutive naturals, for example, 79 + ... + 25549.

It is an arithmetic number, because the mean of its divisors is an integer number (31521600).

Almost surely, 2^326385394 is an apocalyptic number.

326385394 is a deficient number, since it is larger than the sum of its proper divisors (177960206).

326385394 is a wasteful number, since it uses less digits than its factorization.

326385394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25665.

The product of its digits is 466560, while the sum is 43.

The square root of 326385394 is about 18066.1394326513. The cubic root of 326385394 is about 688.5099779916.

The spelling of 326385394 in words is "three hundred twenty-six million, three hundred eighty-five thousand, three hundred ninety-four".