326845378 has 4 divisors (see below), whose sum is σ = 490268070. Its totient is φ = 163422688.

The previous prime is 326845373. The next prime is 326845403. The reversal of 326845378 is 873548623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873548623 = 191 ⋅4573553.

It can be written as a sum of positive squares in only one way, i.e., 214124689 + 112720689 = 14633^2 + 10617^2 .

It is a super-2 number, since 2×326845378² = 213655802239925768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (326845373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81711343 + ... + 81711346.

Almost surely, 2^326845378 is an apocalyptic number.

326845378 is a deficient number, since it is larger than the sum of its proper divisors (163422692).

326845378 is a wasteful number, since it uses less digits than its factorization.

326845378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163422691.

The product of its digits is 967680, while the sum is 46.

The square root of 326845378 is about 18078.8655064415. The cubic root of 326845378 is about 688.8332715745.

The spelling of 326845378 in words is "three hundred twenty-six million, eight hundred forty-five thousand, three hundred seventy-eight".