326401266 has 16 divisors (see below), whose sum is σ = 687160800. Its totient is φ = 103074048.

The previous prime is 326401249. The next prime is 326401289. The reversal of 326401266 is 662104623.

326401266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1431471 + ... + 1431698.

It is an arithmetic number, because the mean of its divisors is an integer number (42947550).

Almost surely, 2^326401266 is an apocalyptic number.

326401266 is an abundant number, since it is smaller than the sum of its proper divisors (360759534).

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

326401266 is a wasteful number, since it uses less digits than its factorization.

326401266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863193.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 326401266 is about 18066.5787021229. The cubic root of 326401266 is about 688.5211384718.

Adding to 326401266 its reverse (662104623), we get a palindrome (988505889).

The spelling of 326401266 in words is "three hundred twenty-six million, four hundred one thousand, two hundred sixty-six".