3691790307 has 24 divisors (see below), whose sum is σ = 5619482960. Its totient is φ = 2329067520.

The previous prime is 3691790299. The next prime is 3691790309. The reversal of 3691790307 is 7030971963.

It is not a de Polignac number, because 3691790307 - 2³ = 3691790299 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3691790309) 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, 148707 + ... + 171747.

Almost surely, 2^3691790307 is an apocalyptic number.

3691790307 is a deficient number, since it is larger than the sum of its proper divisors (1927692653).

3691790307 is a wasteful number, since it uses less digits than its factorization.

3691790307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24003 (or 24000 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 45.

The square root of 3691790307 is about 60760.1045670595. The cubic root of 3691790307 is about 1545.5355833166.

The spelling of 3691790307 in words is "three billion, six hundred ninety-one million, seven hundred ninety thousand, three hundred seven".