3791431 has 16 divisors (see below), whose sum is σ = 4723200. Its totient is φ = 2969568.

The previous prime is 3791429. The next prime is 3791449. The reversal of 3791431 is 1341973.

3791431 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 3791431 - 2¹ = 3791429 is a prime.

It is a super-2 number, since 2×3791431² = 28749898055522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3791431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3791231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3366 + ... + 4348.

It is an arithmetic number, because the mean of its divisors is an integer number (295200).

Almost surely, 2^3791431 is an apocalyptic number.

3791431 is a deficient number, since it is larger than the sum of its proper divisors (931769).

3791431 is a wasteful number, since it uses less digits than its factorization.

3791431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038.

The product of its digits is 2268, while the sum is 28.

The square root of 3791431 is about 1947.1597263707. The cubic root of 3791431 is about 155.9316899039.

The spelling of 3791431 in words is "three million, seven hundred ninety-one thousand, four hundred thirty-one".