2488391 has 2 divisors, whose sum is σ = 2488392. Its totient is φ = 2488390.

The previous prime is 2488379. The next prime is 2488397. The reversal of 2488391 is 1938842.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2488391 - 2⁶ = 2488327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2488397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244195 + 1244196.

It is an arithmetic number, because the mean of its divisors is an integer number (1244196).

2^2488391 is an apocalyptic number.

2488391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2488391 is an equidigital number, since it uses as much as digits as its factorization.

2488391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 2488391 is about 1577.4634702585. The cubic root of 2488391 is about 135.5104769884.

The spelling of 2488391 in words is "two million, four hundred eighty-eight thousand, three hundred ninety-one".