4264191 has 8 divisors (see below), whose sum is σ = 6317360. Its totient is φ = 2842776.

The previous prime is 4264187. The next prime is 4264193. The reversal of 4264191 is 1914624.

It is not a de Polignac number, because 4264191 - 2² = 4264187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 157933 = 4264191 / (4 + 2 + 6 + 4 + 1 + 9 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4264193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78940 + ... + 78993.

It is an arithmetic number, because the mean of its divisors is an integer number (789670).

Almost surely, 2^4264191 is an apocalyptic number.

4264191 is a deficient number, since it is larger than the sum of its proper divisors (2053169).

4264191 is a wasteful number, since it uses less digits than its factorization.

4264191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157942 (or 157936 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 4264191 is about 2064.9917675381. The cubic root of 4264191 is about 162.1606773445.

The spelling of 4264191 in words is "four million, two hundred sixty-four thousand, one hundred ninety-one".