5640336 has 120 divisors (see below), whose sum is σ = 17873856. Its totient is φ = 1647360.

The previous prime is 5640331. The next prime is 5640337. The reversal of 5640336 is 6330465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42991 + ... + 43121.

Almost surely, 2^5640336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5640336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8936928).

5640336 is an abundant number, since it is smaller than the sum of its proper divisors (12233520).

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

5640336 is a wasteful number, since it uses less digits than its factorization.

5640336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 5640336 is about 2374.9391571154. The cubic root of 5640336 is about 178.0061437933.

The spelling of 5640336 in words is "five million, six hundred forty thousand, three hundred thirty-six".