4643538 has 16 divisors (see below), whose sum is σ = 9607680. Its totient is φ = 1494416.

The previous prime is 4643497. The next prime is 4643563. The reversal of 4643538 is 8353464.

It is a junction number, because it is equal to n+sod(n) for n = 4643499 and 4643508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13170 + ... + 13517.

It is an arithmetic number, because the mean of its divisors is an integer number (600480).

Almost surely, 2^4643538 is an apocalyptic number.

4643538 is an abundant number, since it is smaller than the sum of its proper divisors (4964142).

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

4643538 is a wasteful number, since it uses less digits than its factorization.

4643538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26721.

The product of its digits is 34560, while the sum is 33.

The square root of 4643538 is about 2154.8870039981. The cubic root of 4643538 is about 166.8334002550.

The spelling of 4643538 in words is "four million, six hundred forty-three thousand, five hundred thirty-eight".