2404631 has 2 divisors, whose sum is σ = 2404632. Its totient is φ = 2404630.

The previous prime is 2404613. The next prime is 2404643. The reversal of 2404631 is 1364042.

It is a happy number.

Together with previous prime (2404613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2404631 - 2¹⁴ = 2388247 is a prime.

It is a super-2 number, since 2×2404631² = 11564500492322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2404931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202315 + 1202316.

It is an arithmetic number, because the mean of its divisors is an integer number (1202316).

2^2404631 is an apocalyptic number.

2404631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404631 is an equidigital number, since it uses as much as digits as its factorization.

2404631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2404631 is about 1550.6872669884. The cubic root of 2404631 is about 133.9726497979.

Adding to 2404631 its reverse (1364042), we get a palindrome (3768673).

The spelling of 2404631 in words is "two million, four hundred four thousand, six hundred thirty-one".