964393668 has 96 divisors (see below), whose sum is σ = 2863499520. Its totient is φ = 274959360.

The previous prime is 964393649. The next prime is 964393669. The reversal of 964393668 is 866393469.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (964393669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 462388 + ... + 464468.

It is an arithmetic number, because the mean of its divisors is an integer number (29828120).

Almost surely, 2^964393668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 964393668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431749760).

964393668 is an abundant number, since it is smaller than the sum of its proper divisors (1899105852).

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

964393668 is a wasteful number, since it uses less digits than its factorization.

964393668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714 (or 2706 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The square root of 964393668 is about 31054.6883416981. The cubic root of 964393668 is about 987.9875003199.

The spelling of 964393668 in words is "nine hundred sixty-four million, three hundred ninety-three thousand, six hundred sixty-eight".