3901685746 has 32 divisors (see below), whose sum is σ = 6818878080. Its totient is φ = 1639879296.

The previous prime is 3901685743. The next prime is 3901685773. The reversal of 3901685746 is 6475861093.

It is a self number, because there is not a number n which added to its sum of digits gives 3901685746.

It is not an unprimeable number, because it can be changed into a prime (3901685743) 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, 146940 + ... + 171448.

It is an arithmetic number, because the mean of its divisors is an integer number (213089940).

Almost surely, 2^3901685746 is an apocalyptic number.

3901685746 is a deficient number, since it is larger than the sum of its proper divisors (2917192334).

3901685746 is a wasteful number, since it uses less digits than its factorization.

3901685746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24738.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 3901685746 is about 62463.4752955677. The cubic root of 3901685746 is about 1574.2876760051.

The spelling of 3901685746 in words is "three billion, nine hundred one million, six hundred eighty-five thousand, seven hundred forty-six".