4865638 has 8 divisors (see below), whose sum is σ = 7727832. Its totient is φ = 2289696.

The previous prime is 4865629. The next prime is 4865647. The reversal of 4865638 is 8365684.

It is an interprime number because it is at equal distance from previous prime (4865629) and next prime (4865647).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 4⁶ + 8 + 6³ + 5⁷ + 6³ + 3¹⁴ + 8 .

It is a self number, because there is not a number n which added to its sum of digits gives 4865638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71520 + ... + 71587.

It is an arithmetic number, because the mean of its divisors is an integer number (965979).

Almost surely, 2^4865638 is an apocalyptic number.

4865638 is a deficient number, since it is larger than the sum of its proper divisors (2862194).

4865638 is a wasteful number, since it uses less digits than its factorization.

4865638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143126.

The product of its digits is 138240, while the sum is 40.

The square root of 4865638 is about 2205.8191222310. The cubic root of 4865638 is about 169.4519606408.

The spelling of 4865638 in words is "four million, eight hundred sixty-five thousand, six hundred thirty-eight".