3906494613 has 24 divisors (see below), whose sum is σ = 6450470208. Its totient is φ = 2231710272.

The previous prime is 3906494597. The next prime is 3906494653. The reversal of 3906494613 is 3164946093.

It is not a de Polignac number, because 3906494613 - 2⁴ = 3906494597 is a prime.

It is a super-2 number, since 2×3906494613² = 30521400322796039538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906494653) 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, 427470 + ... + 436512.

It is an arithmetic number, because the mean of its divisors is an integer number (268769592).

Almost surely, 2^3906494613 is an apocalyptic number.

It is an amenable number.

3906494613 is a deficient number, since it is larger than the sum of its proper divisors (2543975595).

3906494613 is a wasteful number, since it uses less digits than its factorization.

3906494613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15913 (or 15910 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 3906494613 is about 62501.9568733652. The cubic root of 3906494613 is about 1574.9341856096.

The spelling of 3906494613 in words is "three billion, nine hundred six million, four hundred ninety-four thousand, six hundred thirteen".