3930655 has 16 divisors (see below), whose sum is σ = 5046624. Its totient is φ = 2928640.

The previous prime is 3930653. The next prime is 3930671. The reversal of 3930655 is 5560393.

It is not a de Polignac number, because 3930655 - 2¹ = 3930653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10959 + ... + 11311.

It is an arithmetic number, because the mean of its divisors is an integer number (315414).

Almost surely, 2^3930655 is an apocalyptic number.

3930655 is a deficient number, since it is larger than the sum of its proper divisors (1115969).

3930655 is a wasteful number, since it uses less digits than its factorization.

3930655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 3930655 is about 1982.5879551737. The cubic root of 3930655 is about 157.8174332020.

The spelling of 3930655 in words is "three million, nine hundred thirty thousand, six hundred fifty-five".