965408648 has 32 divisors (see below), whose sum is σ = 1942895160. Its totient is φ = 448081920.

The previous prime is 965408629. The next prime is 965408657. The reversal of 965408648 is 846804569.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 656281924 + 309126724 = 25618^2 + 17582^2 .

It is a junction number, because it is equal to n+sod(n) for n = 965408596 and 965408605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38693 + ... + 58548.

Almost surely, 2^965408648 is an apocalyptic number.

It is an amenable number.

965408648 is an abundant number, since it is smaller than the sum of its proper divisors (977486512).

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

965408648 is a wasteful number, since it uses less digits than its factorization.

965408648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97337 (or 97333 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The square root of 965408648 is about 31071.0258601160. The cubic root of 965408648 is about 988.3339826041. Note that the first 3 decimals are identical.

The spelling of 965408648 in words is "nine hundred sixty-five million, four hundred eight thousand, six hundred forty-eight".