3934791 has 32 divisors (see below), whose sum is σ = 6758400. Its totient is φ = 2216160.

The previous prime is 3934783. The next prime is 3934813. The reversal of 3934791 is 1974393.

It is not a de Polignac number, because 3934791 - 2³ = 3934783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3934741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20506 + ... + 20696.

It is an arithmetic number, because the mean of its divisors is an integer number (211200).

Almost surely, 2^3934791 is an apocalyptic number.

3934791 is a deficient number, since it is larger than the sum of its proper divisors (2823609).

3934791 is a wasteful number, since it uses less digits than its factorization.

3934791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 310 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 3934791 is about 1983.6307620119. The cubic root of 3934791 is about 157.8727678382.

It can be divided in two parts, 393 and 4791, that added together give a square (5184 = 72²).

The spelling of 3934791 in words is "three million, nine hundred thirty-four thousand, seven hundred ninety-one".