326481378 has 32 divisors (see below), whose sum is σ = 671457600. Its totient is φ = 105782976.

The previous prime is 326481373. The next prime is 326481383. The reversal of 326481378 is 873184623.

It is an interprime number because it is at equal distance from previous prime (326481373) and next prime (326481383).

It is not an unprimeable number, because it can be changed into a prime (326481373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29953 + ... + 39371.

It is an arithmetic number, because the mean of its divisors is an integer number (20983050).

Almost surely, 2^326481378 is an apocalyptic number.

326481378 is an abundant number, since it is smaller than the sum of its proper divisors (344976222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326481378 is a wasteful number, since it uses less digits than its factorization.

326481378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9586.

The product of its digits is 193536, while the sum is 42.

The square root of 326481378 is about 18068.7956986624. The cubic root of 326481378 is about 688.5774641248.

It can be divided in two parts, 32648 and 1378, that multiplied together give a palindrome (44988944).

The spelling of 326481378 in words is "three hundred twenty-six million, four hundred eighty-one thousand, three hundred seventy-eight".