2398637 has 2 divisors, whose sum is σ = 2398638. Its totient is φ = 2398636.

The previous prime is 2398633. The next prime is 2398657. The reversal of 2398637 is 7368932.

2398637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1674436 + 724201 = 1294^2 + 851^2 .

It is a cyclic number.

It is not a de Polignac number, because 2398637 - 2² = 2398633 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2398637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2398633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199318 + 1199319.

It is an arithmetic number, because the mean of its divisors is an integer number (1199319).

2^2398637 is an apocalyptic number.

It is an amenable number.

2398637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398637 is an equidigital number, since it uses as much as digits as its factorization.

2398637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 2398637 is about 1548.7533696493. The cubic root of 2398637 is about 133.8612397416.

The spelling of 2398637 in words is "two million, three hundred ninety-eight thousand, six hundred thirty-seven".