5640298 has 8 divisors (see below), whose sum is σ = 8493408. Its totient is φ = 2809164.

The previous prime is 5640293. The next prime is 5640331. The reversal of 5640298 is 8920465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5640293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4836 + ... + 5887.

It is an arithmetic number, because the mean of its divisors is an integer number (1061676).

Almost surely, 2^5640298 is an apocalyptic number.

5640298 is a deficient number, since it is larger than the sum of its proper divisors (2853110).

5640298 is a wasteful number, since it uses less digits than its factorization.

5640298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10988.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 5640298 is about 2374.9311568970. The cubic root of 5640298 is about 178.0057440389.

The spelling of 5640298 in words is "five million, six hundred forty thousand, two hundred ninety-eight".