4638363 has 4 divisors (see below), whose sum is σ = 6184488. Its totient is φ = 3092240.

The previous prime is 4638353. The next prime is 4638377. The reversal of 4638363 is 3638364.

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

It is a cyclic number.

It is not a de Polignac number, because 4638363 - 2¹⁴ = 4621979 is a prime.

It is a super-2 number, since 2×4638363² = 43028822639538, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4638323) 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, 773058 + ... + 773063.

It is an arithmetic number, because the mean of its divisors is an integer number (1546122).

Almost surely, 2^4638363 is an apocalyptic number.

4638363 is a deficient number, since it is larger than the sum of its proper divisors (1546125).

4638363 is a wasteful number, since it uses less digits than its factorization.

4638363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546124.

The product of its digits is 31104, while the sum is 33.

The square root of 4638363 is about 2153.6859102478. The cubic root of 4638363 is about 166.7714012813.

Subtracting from 4638363 its reverse (3638364), we obtain a palindrome (999999).

The spelling of 4638363 in words is "four million, six hundred thirty-eight thousand, three hundred sixty-three".