4822638 has 16 divisors (see below), whose sum is σ = 9710976. Its totient is φ = 1596600.

The previous prime is 4822633. The next prime is 4822661. The reversal of 4822638 is 8362284.

It is a junction number, because it is equal to n+sod(n) for n = 4822599 and 4822608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4822633) 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, 1756 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (606936).

Almost surely, 2^4822638 is an apocalyptic number.

4822638 is an abundant number, since it is smaller than the sum of its proper divisors (4888338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4822638 is a wasteful number, since it uses less digits than its factorization.

4822638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479.

The product of its digits is 18432, while the sum is 33.

The square root of 4822638 is about 2196.0505458664. The cubic root of 4822638 is about 168.9513065368.

It can be divided in two parts, 4822 and 638, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 4822638 in words is "four million, eight hundred twenty-two thousand, six hundred thirty-eight".