4261191 has 8 divisors (see below), whose sum is σ = 6198144. Its totient is φ = 2582520.

The previous prime is 4261189. The next prime is 4261193. The reversal of 4261191 is 1911624.

It is an interprime number because it is at equal distance from previous prime (4261189) and next prime (4261193).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4261191 - 2¹ = 4261189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64531 + ... + 64596.

It is an arithmetic number, because the mean of its divisors is an integer number (774768).

Almost surely, 2^4261191 is an apocalyptic number.

4261191 is a deficient number, since it is larger than the sum of its proper divisors (1936953).

4261191 is a wasteful number, since it uses less digits than its factorization.

4261191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129141.

The product of its digits is 432, while the sum is 24.

The square root of 4261191 is about 2064.2652445846. The cubic root of 4261191 is about 162.1226399487.

The spelling of 4261191 in words is "four million, two hundred sixty-one thousand, one hundred ninety-one".