5640266 has 8 divisors (see below), whose sum is σ = 8480064. Its totient is φ = 2813580.

The previous prime is 5640253. The next prime is 5640281. The reversal of 5640266 is 6620465.

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

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, 2120 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (1060008).

Almost surely, 2^5640266 is an apocalyptic number.

5640266 is a deficient number, since it is larger than the sum of its proper divisors (2839798).

5640266 is a wasteful number, since it uses less digits than its factorization.

5640266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 5640266 is about 2374.9244198500. The cubic root of 5640266 is about 178.0054074021.

The spelling of 5640266 in words is "five million, six hundred forty thousand, two hundred sixty-six".