5653940 has 12 divisors (see below), whose sum is σ = 11873316. Its totient is φ = 2261568.

The previous prime is 5653937. The next prime is 5653957. The reversal of 5653940 is 493565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 3232804 = 1556^2 + 1798^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5653897 and 5653906.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 141329 + ... + 141368.

It is an arithmetic number, because the mean of its divisors is an integer number (989443).

Almost surely, 2^5653940 is an apocalyptic number.

It is an amenable number.

5653940 is an abundant number, since it is smaller than the sum of its proper divisors (6219376).

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

5653940 is a wasteful number, since it uses less digits than its factorization.

5653940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282706 (or 282704 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 5653940 is about 2377.8015055929. The cubic root of 5653940 is about 178.1491406699.

The spelling of 5653940 in words is "five million, six hundred fifty-three thousand, nine hundred forty".