5640330 has 16 divisors (see below), whose sum is σ = 13536864. Its totient is φ = 1504080.

The previous prime is 5640293. The next prime is 5640331. The reversal of 5640330 is 330465.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 5640297 and 5640306.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93976 + ... + 94035.

It is an arithmetic number, because the mean of its divisors is an integer number (846054).

Almost surely, 2^5640330 is an apocalyptic number.

5640330 is an abundant number, since it is smaller than the sum of its proper divisors (7896534).

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

5640330 is a wasteful number, since it uses less digits than its factorization.

5640330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188021.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 5640330 is about 2374.9378939248. The cubic root of 5640330 is about 178.0060806743.

Adding to 5640330 its reverse (330465), we get a palindrome (5970795).

The spelling of 5640330 in words is "five million, six hundred forty thousand, three hundred thirty".