2408191 has 4 divisors (see below), whose sum is σ = 2411352. Its totient is φ = 2405032.

The previous prime is 2408179. The next prime is 2408201. The reversal of 2408191 is 1918042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2408191 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2408141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345 + ... + 2221.

It is an arithmetic number, because the mean of its divisors is an integer number (602838).

2^2408191 is an apocalyptic number.

2408191 is a deficient number, since it is larger than the sum of its proper divisors (3161).

2408191 is a wasteful number, since it uses less digits than its factorization.

2408191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 2408191 is about 1551.8347205808. The cubic root of 2408191 is about 134.0387316567.

It can be divided in two parts, 24081 and 91, that multiplied together give a triangular number (2191371 = T₂₀₉₃).

The spelling of 2408191 in words is "two million, four hundred eight thousand, one hundred ninety-one".