964452644 has 12 divisors (see below), whose sum is σ = 1688439984. Its totient is φ = 482041224.

The previous prime is 964452637. The next prime is 964452647. The reversal of 964452644 is 446254469.

It is a junction number, because it is equal to n+sod(n) for n = 964452595 and 964452604.

It is not an unprimeable number, because it can be changed into a prime (964452647) 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, 34202 + ... + 55665.

It is an arithmetic number, because the mean of its divisors is an integer number (140703332).

Almost surely, 2^964452644 is an apocalyptic number.

It is an amenable number.

964452644 is a deficient number, since it is larger than the sum of its proper divisors (723987340).

964452644 is a wasteful number, since it uses less digits than its factorization.

964452644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92554 (or 92552 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The square root of 964452644 is about 31055.6378778476. The cubic root of 964452644 is about 988.0076395242.

The spelling of 964452644 in words is "nine hundred sixty-four million, four hundred fifty-two thousand, six hundred forty-four".