964818321 has 16 divisors (see below), whose sum is σ = 1299076800. Its totient is φ = 636910848.

The previous prime is 964818319. The next prime is 964818331. The reversal of 964818321 is 123818469.

964818321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 964818321 - 2¹ = 964818319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (964818331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167725 + ... + 173381.

It is an arithmetic number, because the mean of its divisors is an integer number (81192300).

Almost surely, 2^964818321 is an apocalyptic number.

It is an amenable number.

964818321 is a deficient number, since it is larger than the sum of its proper divisors (334258479).

964818321 is a wasteful number, since it uses less digits than its factorization.

964818321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208.

The product of its digits is 82944, while the sum is 42.

The square root of 964818321 is about 31061.5247693992. The cubic root of 964818321 is about 988.1324930770.

The spelling of 964818321 in words is "nine hundred sixty-four million, eight hundred eighteen thousand, three hundred twenty-one".