3640766 has 8 divisors (see below), whose sum is σ = 5469384. Its totient is φ = 1817640.

The previous prime is 3640753. The next prime is 3640781. The reversal of 3640766 is 6670463.

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

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, 1436 + ... + 3056.

It is an arithmetic number, because the mean of its divisors is an integer number (683673).

Almost surely, 2^3640766 is an apocalyptic number.

3640766 is a deficient number, since it is larger than the sum of its proper divisors (1828618).

3640766 is a wasteful number, since it uses less digits than its factorization.

3640766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 3640766 is about 1908.0791388200. The cubic root of 3640766 is about 153.8382233220.

The spelling of 3640766 in words is "three million, six hundred forty thousand, seven hundred sixty-six".