4868638 has 4 divisors (see below), whose sum is σ = 7302960. Its totient is φ = 2434318.

The previous prime is 4868623. The next prime is 4868651. The reversal of 4868638 is 8368684.

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 = 4868594 and 4868603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1217158 + ... + 1217161.

It is an arithmetic number, because the mean of its divisors is an integer number (1825740).

Almost surely, 2^4868638 is an apocalyptic number.

4868638 is a deficient number, since it is larger than the sum of its proper divisors (2434322).

4868638 is a wasteful number, since it uses less digits than its factorization.

4868638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434321.

The product of its digits is 221184, while the sum is 43.

The square root of 4868638 is about 2206.4990369361. The cubic root of 4868638 is about 169.4867797429.

It can be divided in two parts, 48 and 68638, that added together give a palindrome (68686).

The spelling of 4868638 in words is "four million, eight hundred sixty-eight thousand, six hundred thirty-eight".