2466638 has 4 divisors (see below), whose sum is σ = 3699960. Its totient is φ = 1233318.

The previous prime is 2466631. The next prime is 2466647. The reversal of 2466638 is 8366642.

2466638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2466598 and 2466607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2466631) 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, 616658 + ... + 616661.

It is an arithmetic number, because the mean of its divisors is an integer number (924990).

2^2466638 is an apocalyptic number.

2466638 is a deficient number, since it is larger than the sum of its proper divisors (1233322).

2466638 is a wasteful number, since it uses less digits than its factorization.

2466638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233321.

The product of its digits is 41472, while the sum is 35.

The square root of 2466638 is about 1570.5534056504. The cubic root of 2466638 is about 135.1144525514.

The spelling of 2466638 in words is "two million, four hundred sixty-six thousand, six hundred thirty-eight".