2404891 has 2 divisors, whose sum is σ = 2404892. Its totient is φ = 2404890.

The previous prime is 2404879. The next prime is 2404907. The reversal of 2404891 is 1984042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2404891 - 2⁵ = 2404859 is a prime.

It is a Chen prime.

2404891 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2404291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202445 + 1202446.

It is an arithmetic number, because the mean of its divisors is an integer number (1202446).

2^2404891 is an apocalyptic number.

2404891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404891 is an equidigital number, since it uses as much as digits as its factorization.

2404891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2404891 is about 1550.7710985184. The cubic root of 2404891 is about 133.9774782079.

The spelling of 2404891 in words is "two million, four hundred four thousand, eight hundred ninety-one".