4160391 has 12 divisors (see below), whose sum is σ = 5706792. Its totient is φ = 2695968.

The previous prime is 4160389. The next prime is 4160399. The reversal of 4160391 is 1930614.

It is not a de Polignac number, because 4160391 - 2¹ = 4160389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4160399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3601 + ... + 4613.

It is an arithmetic number, because the mean of its divisors is an integer number (475566).

Almost surely, 2^4160391 is an apocalyptic number.

4160391 is a deficient number, since it is larger than the sum of its proper divisors (1546401).

4160391 is a wasteful number, since it uses less digits than its factorization.

4160391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 4160391 is about 2039.7036549460. The cubic root of 4160391 is about 160.8340689798.

It can be divided in two parts, 41603 and 91, that multiplied together give a palindrome (3785873).

The spelling of 4160391 in words is "four million, one hundred sixty thousand, three hundred ninety-one".