326331377 has 4 divisors (see below), whose sum is σ = 329695716. Its totient is φ = 322967040.

The previous prime is 326331373. The next prime is 326331391. The reversal of 326331377 is 773133623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773133623 = 10607 ⋅72889.

It can be written as a sum of positive squares in 2 ways, for example, as 96020401 + 230310976 = 9799^2 + 15176^2 .

It is a cyclic number.

It is not a de Polignac number, because 326331377 - 2² = 326331373 is a prime.

It is a super-2 number, since 2×326331377² = 212984335229432258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326331373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682024 + ... + 1682217.

It is an arithmetic number, because the mean of its divisors is an integer number (82423929).

Almost surely, 2^326331377 is an apocalyptic number.

It is an amenable number.

326331377 is a deficient number, since it is larger than the sum of its proper divisors (3364339).

326331377 is an equidigital number, since it uses as much as digits as its factorization.

326331377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364338.

The product of its digits is 47628, while the sum is 35.

The square root of 326331377 is about 18064.6443917394. The cubic root of 326331377 is about 688.4719929427.

The spelling of 326331377 in words is "three hundred twenty-six million, three hundred thirty-one thousand, three hundred seventy-seven".