5642964 has 18 divisors (see below), whose sum is σ = 14264250. Its totient is φ = 1880976.

The previous prime is 5642947. The next prime is 5642969. The reversal of 5642964 is 4692465.

5642964 is a `hidden beast` number, since 5 + 642 + 9 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3392964 + 2250000 = 1842^2 + 1500^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 156749 = 5642964 / (5 + 6 + 4 + 2 + 9 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78339 + ... + 78410.

Almost surely, 2^5642964 is an apocalyptic number.

It is an amenable number.

5642964 is an abundant number, since it is smaller than the sum of its proper divisors (8621286).

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

5642964 is a wasteful number, since it uses less digits than its factorization.

5642964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156759 (or 156754 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 5642964 is about 2375.4923700151. The cubic root of 5642964 is about 178.0337856165.

The spelling of 5642964 in words is "five million, six hundred forty-two thousand, nine hundred sixty-four".