964284661 has 4 divisors (see below), whose sum is σ = 973646752. Its totient is φ = 954922572.

The previous prime is 964284653. The next prime is 964284679. The reversal of 964284661 is 166482469.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 964284661 - 2³ = 964284653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964284161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4680891 + ... + 4681096.

It is an arithmetic number, because the mean of its divisors is an integer number (243411688).

Almost surely, 2^964284661 is an apocalyptic number.

It is an amenable number.

964284661 is a deficient number, since it is larger than the sum of its proper divisors (9362091).

964284661 is a wasteful number, since it uses less digits than its factorization.

964284661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9362090.

The product of its digits is 497664, while the sum is 46.

The square root of 964284661 is about 31052.9332108901. The cubic root of 964284661 is about 987.9502743008.

The spelling of 964284661 in words is "nine hundred sixty-four million, two hundred eighty-four thousand, six hundred sixty-one".