3930685 has 24 divisors (see below), whose sum is σ = 5314680. Its totient is φ = 2787840.

The previous prime is 3930683. The next prime is 3930709. The reversal of 3930685 is 5860393.

It can be written as a sum of positive squares in 4 ways, for example, as 139876 + 3790809 = 374^2 + 1947^2 .

It is not a de Polignac number, because 3930685 - 2¹ = 3930683 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3930685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44121 + ... + 44209.

It is an arithmetic number, because the mean of its divisors is an integer number (221445).

Almost surely, 2^3930685 is an apocalyptic number.

It is an amenable number.

3930685 is a deficient number, since it is larger than the sum of its proper divisors (1383995).

3930685 is a wasteful number, since it uses less digits than its factorization.

3930685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3930685 is about 1982.5955210279. The cubic root of 3930685 is about 157.8178347051.

The spelling of 3930685 in words is "three million, nine hundred thirty thousand, six hundred eighty-five".