969897644 has 12 divisors (see below), whose sum is σ = 1708132944. Its totient is φ = 481859664.

The previous prime is 969897641. The next prime is 969897653. The reversal of 969897644 is 446798969.

It is not an unprimeable number, because it can be changed into a prime (969897641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771584 + ... + 772839.

It is an arithmetic number, because the mean of its divisors is an integer number (142344412).

Almost surely, 2^969897644 is an apocalyptic number.

It is an amenable number.

969897644 is a deficient number, since it is larger than the sum of its proper divisors (738235300).

969897644 is a wasteful number, since it uses less digits than its factorization.

969897644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544584 (or 1544582 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 62.

The square root of 969897644 is about 31143.1797348954. The cubic root of 969897644 is about 989.8634794572.

The spelling of 969897644 in words is "nine hundred sixty-nine million, eight hundred ninety-seven thousand, six hundred forty-four".