4538663 has 4 divisors (see below), whose sum is σ = 4777560. Its totient is φ = 4299768.

The previous prime is 4538657. The next prime is 4538669. The reversal of 4538663 is 3668354.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4538657) and next prime (4538669).

It is a cyclic number.

It is not a de Polignac number, because 4538663 - 2⁸ = 4538407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119420 + ... + 119457.

It is an arithmetic number, because the mean of its divisors is an integer number (1194390).

Almost surely, 2^4538663 is an apocalyptic number.

4538663 is a deficient number, since it is larger than the sum of its proper divisors (238897).

4538663 is a wasteful number, since it uses less digits than its factorization.

4538663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238896.

The product of its digits is 51840, while the sum is 35.

The square root of 4538663 is about 2130.4138095685. The cubic root of 4538663 is about 165.5678384920.

The spelling of 4538663 in words is "four million, five hundred thirty-eight thousand, six hundred sixty-three".