3940653 has 8 divisors (see below), whose sum is σ = 5313600. Its totient is φ = 2597408.

The previous prime is 3940637. The next prime is 3940663. The reversal of 3940653 is 3560493.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3940653 - 2⁴ = 3940637 is a prime.

3940653 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3940653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940663) 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, 7113 + ... + 7646.

It is an arithmetic number, because the mean of its divisors is an integer number (664200).

Almost surely, 2^3940653 is an apocalyptic number.

It is an amenable number.

3940653 is a deficient number, since it is larger than the sum of its proper divisors (1372947).

3940653 is a wasteful number, since it uses less digits than its factorization.

3940653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14851.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3940653 is about 1985.1078056368. The cubic root of 3940653 is about 157.9511278638.

The spelling of 3940653 in words is "three million, nine hundred forty thousand, six hundred fifty-three".