5640312 has 16 divisors (see below), whose sum is σ = 14100840. Its totient is φ = 1880096.

The previous prime is 5640293. The next prime is 5640331. The reversal of 5640312 is 2130465.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5640293) and next prime (5640331).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117483 + ... + 117530.

Almost surely, 2^5640312 is an apocalyptic number.

It is an amenable number.

5640312 is an abundant number, since it is smaller than the sum of its proper divisors (8460528).

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

5640312 is a wasteful number, since it uses less digits than its factorization.

5640312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235022 (or 235018 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 5640312 is about 2374.9341043490. The cubic root of 5640312 is about 178.0058913170.

Adding to 5640312 its reverse (2130465), we get a palindrome (7770777).

The spelling of 5640312 in words is "five million, six hundred forty thousand, three hundred twelve".