4492638 has 32 divisors (see below), whose sum is σ = 10053120. Its totient is φ = 1487160.

The previous prime is 4492633. The next prime is 4492643. The reversal of 4492638 is 8362944.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4492633) and next prime (4492643).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4492633) 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 in 15 ways as a sum of consecutive naturals, for example, 14481 + ... + 14787.

It is an arithmetic number, because the mean of its divisors is an integer number (314160).

Almost surely, 2^4492638 is an apocalyptic number.

4492638 is an abundant number, since it is smaller than the sum of its proper divisors (5560482).

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

4492638 is a wasteful number, since it uses less digits than its factorization.

4492638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 583 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4492638 is about 2119.5843932243. The cubic root of 4492638 is about 165.0062807527.

The spelling of 4492638 in words is "four million, four hundred ninety-two thousand, six hundred thirty-eight".