4638888364 has 12 divisors (see below), whose sum is σ = 8856059688. Its totient is φ = 2108585600.

The previous prime is 4638888347. The next prime is 4638888367.

4638888364 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4638888299 and 4638888308.

It is not an unprimeable number, because it can be changed into a prime (4638888367) 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, 52714597 + ... + 52714684.

It is an arithmetic number, because the mean of its divisors is an integer number (738004974).

Almost surely, 2^4638888364 is an apocalyptic number.

4638888364 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4638888364 is a deficient number, since it is larger than the sum of its proper divisors (4217171324).

4638888364 is a wasteful number, since it uses less digits than its factorization.

4638888364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105429296 (or 105429294 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 58.

The square root of 4638888364 is about 68109.3852857299. The cubic root of 4638888364 is about 1667.7769749562.

The spelling of 4638888364 in words is "four billion, six hundred thirty-eight million, eight hundred eighty-eight thousand, three hundred sixty-four".