4359638 has 4 divisors (see below), whose sum is σ = 6539460. Its totient is φ = 2179818.

The previous prime is 4359631. The next prime is 4359643. The reversal of 4359638 is 8369534.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8369534 = 2 ⋅4184767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4359631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1089908 + ... + 1089911.

It is an arithmetic number, because the mean of its divisors is an integer number (1634865).

Almost surely, 2^4359638 is an apocalyptic number.

4359638 is a deficient number, since it is larger than the sum of its proper divisors (2179822).

4359638 is a wasteful number, since it uses less digits than its factorization.

4359638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179821.

The product of its digits is 77760, while the sum is 38.

The square root of 4359638 is about 2087.9746167039. The cubic root of 4359638 is about 163.3616619844.

It can be divided in two parts, 43596 and 38, that added together give a palindrome (43634).

The spelling of 4359638 in words is "four million, three hundred fifty-nine thousand, six hundred thirty-eight".