5636940 has 24 divisors (see below), whose sum is σ = 15783600. Its totient is φ = 1503168.

The previous prime is 5636929. The next prime is 5636957. The reversal of 5636940 is 496365.

It is a happy number.

It is a nialpdrome in base 15.

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, 46915 + ... + 47034.

It is an arithmetic number, because the mean of its divisors is an integer number (657650).

Almost surely, 2^5636940 is an apocalyptic number.

It is an amenable number.

5636940 is an abundant number, since it is smaller than the sum of its proper divisors (10146660).

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

5636940 is a wasteful number, since it uses less digits than its factorization.

5636940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93961 (or 93959 counting only the distinct ones).

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

The square root of 5636940 is about 2374.2240837798. The cubic root of 5636940 is about 177.9704112750.

It can be divided in two parts, 563 and 6940, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 5636940 in words is "five million, six hundred thirty-six thousand, nine hundred forty".