5663940 has 24 divisors (see below), whose sum is σ = 15859200. Its totient is φ = 1510368.

The previous prime is 5663929. The next prime is 5663953. The reversal of 5663940 is 493665.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47140 + ... + 47259.

It is an arithmetic number, because the mean of its divisors is an integer number (660800).

Almost surely, 2^5663940 is an apocalyptic number.

It is an amenable number.

5663940 is an abundant number, since it is smaller than the sum of its proper divisors (10195260).

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

5663940 is a wasteful number, since it uses less digits than its factorization.

5663940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94411 (or 94409 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 5663940 is about 2379.9033593825. The cubic root of 5663940 is about 178.2541083056.

The spelling of 5663940 in words is "five million, six hundred sixty-three thousand, nine hundred forty".