326290945 has 16 divisors (see below), whose sum is σ = 421614720. Its totient is φ = 241510144.

The previous prime is 326290931. The next prime is 326290957. The reversal of 326290945 is 549092623.

It is a cyclic number.

It is not a de Polignac number, because 326290945 - 2⁷ = 326290817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 326290898 and 326290907.

It is an unprimeable number.

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, 27517 + ... + 37546.

It is an arithmetic number, because the mean of its divisors is an integer number (26350920).

Almost surely, 2^326290945 is an apocalyptic number.

It is an amenable number.

326290945 is a deficient number, since it is larger than the sum of its proper divisors (95323775).

326290945 is a wasteful number, since it uses less digits than its factorization.

326290945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65144.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 326290945 is about 18063.5252650196. The cubic root of 326290945 is about 688.4435581968.

The spelling of 326290945 in words is "three hundred twenty-six million, two hundred ninety thousand, nine hundred forty-five".