326957945 has 8 divisors (see below), whose sum is σ = 394342344. Its totient is φ = 260237824.

The previous prime is 326957927. The next prime is 326957959. The reversal of 326957945 is 549759623.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 158659216 + 168298729 = 12596^2 + 12973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326957945 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 326957893 and 326957902.

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, 164984 + ... + 166953.

It is an arithmetic number, because the mean of its divisors is an integer number (49292793).

Almost surely, 2^326957945 is an apocalyptic number.

It is an amenable number.

326957945 is a deficient number, since it is larger than the sum of its proper divisors (67384399).

326957945 is a wasteful number, since it uses less digits than its factorization.

326957945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332139.

The product of its digits is 2041200, while the sum is 50.

The square root of 326957945 is about 18081.9784592284. The cubic root of 326957945 is about 688.9123415774.

The spelling of 326957945 in words is "three hundred twenty-six million, nine hundred fifty-seven thousand, nine hundred forty-five".