5665964 has 24 divisors (see below), whose sum is σ = 10619280. Its totient is φ = 2635776.

The previous prime is 5665949. The next prime is 5665967. The reversal of 5665964 is 4695665.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5665967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6167 + ... + 7025.

It is an arithmetic number, because the mean of its divisors is an integer number (442470).

Almost surely, 2^5665964 is an apocalyptic number.

It is an amenable number.

5665964 is a deficient number, since it is larger than the sum of its proper divisors (4953316).

5665964 is a wasteful number, since it uses less digits than its factorization.

5665964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 5665964 is about 2380.3285487512. The cubic root of 5665964 is about 178.2753387181.

Subtracting from 5665964 its reverse (4695665), we obtain a cube (970299 = 99³).

The spelling of 5665964 in words is "five million, six hundred sixty-five thousand, nine hundred sixty-four".