2426638 has 16 divisors (see below), whose sum is σ = 3856896. Its totient is φ = 1142680.

The previous prime is 2426621. The next prime is 2426639. The reversal of 2426638 is 8366242.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2426639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (241056).

2^2426638 is an apocalyptic number.

2426638 is a deficient number, since it is larger than the sum of its proper divisors (1430258).

2426638 is a wasteful number, since it uses less digits than its factorization.

2426638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

The product of its digits is 13824, while the sum is 31.

The square root of 2426638 is about 1557.7669915620. The cubic root of 2426638 is about 134.3801117940.

It can be divided in two parts, 24 and 26638, that added together give a palindrome (26662).

The spelling of 2426638 in words is "two million, four hundred twenty-six thousand, six hundred thirty-eight".