326957057 has 12 divisors (see below), whose sum is σ = 380646000. Its totient is φ = 280021896.

The previous prime is 326957023. The next prime is 326957069. The reversal of 326957057 is 750759623.

It is not a de Polignac number, because 326957057 - 2¹² = 326952961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 326956999 and 326957017.

It is not an unprimeable number, because it can be changed into a prime (326957077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91694 + ... + 95192.

It is an arithmetic number, because the mean of its divisors is an integer number (31720500).

Almost surely, 2^326957057 is an apocalyptic number.

It is an amenable number.

326957057 is a deficient number, since it is larger than the sum of its proper divisors (53688943).

326957057 is a wasteful number, since it uses less digits than its factorization.

326957057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420 (or 5413 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 44.

The square root of 326957057 is about 18081.9539043766. The cubic root of 326957057 is about 688.9117178940.

The spelling of 326957057 in words is "three hundred twenty-six million, nine hundred fifty-seven thousand, fifty-seven".