3906793 has 16 divisors (see below), whose sum is σ = 4541760. Its totient is φ = 3326400.

The previous prime is 3906779. The next prime is 3906797. The reversal of 3906793 is 3976093.

It is a de Polignac number, because none of the positive numbers 2^k-3906793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

3906793 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3906797) 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, 11638 + ... + 11968.

It is an arithmetic number, because the mean of its divisors is an integer number (283860).

Almost surely, 2^3906793 is an apocalyptic number.

It is an amenable number.

3906793 is a deficient number, since it is larger than the sum of its proper divisors (634967).

3906793 is a wasteful number, since it uses less digits than its factorization.

3906793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 3906793 is about 1976.5609021733. The cubic root of 3906793 is about 157.4974283615.

The spelling of 3906793 in words is "three million, nine hundred six thousand, seven hundred ninety-three".