3914391 has 16 divisors (see below), whose sum is σ = 5816160. Its totient is φ = 2325120.

The previous prime is 3914387. The next prime is 3914413. The reversal of 3914391 is 1934193.

It is not a de Polignac number, because 3914391 - 2² = 3914387 is a prime.

3914391 is a modest number, since divided by 14391 gives 39 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3914321) 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, 600 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (363510).

Almost surely, 2^3914391 is an apocalyptic number.

3914391 is a deficient number, since it is larger than the sum of its proper divisors (1901769).

3914391 is a wasteful number, since it uses less digits than its factorization.

3914391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506.

The product of its digits is 2916, while the sum is 30.

The square root of 3914391 is about 1978.4819938529. The cubic root of 3914391 is about 157.5994635032.

The spelling of 3914391 in words is "three million, nine hundred fourteen thousand, three hundred ninety-one".