4191913 has 16 divisors (see below), whose sum is σ = 4976640. Its totient is φ = 3488400.

The previous prime is 4191907. The next prime is 4191919. The reversal of 4191913 is 3191914.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4191907) and next prime (4191919).

It is a de Polignac number, because none of the positive numbers 2^k-4191913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4191919) 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, 6156 + ... + 6802.

It is an arithmetic number, because the mean of its divisors is an integer number (311040).

Almost surely, 2^4191913 is an apocalyptic number.

It is an amenable number.

4191913 is a deficient number, since it is larger than the sum of its proper divisors (784727).

4191913 is a wasteful number, since it uses less digits than its factorization.

4191913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its digits is 972, while the sum is 28.

The square root of 4191913 is about 2047.4161765503. The cubic root of 4191913 is about 161.2392441196.

Subtracting from 4191913 its reverse (3191914), we obtain a palindrome (999999).

It can be divided in two parts, 419 and 1913, that added together give a palindrome (2332).

The spelling of 4191913 in words is "four million, one hundred ninety-one thousand, nine hundred thirteen".