4789638 has 32 divisors (see below), whose sum is σ = 12165120. Its totient is φ = 1368360.

The previous prime is 4789637. The next prime is 4789639. The reversal of 4789638 is 8369874.

It is a happy number.

4789638 is a `hidden beast` number, since 4 + 7 + 8 + 9 + 638 = 666.

It is an interprime number because it is at equal distance from previous prime (4789637) and next prime (4789639).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4789593 and 4789602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4789633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5958 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

Almost surely, 2^4789638 is an apocalyptic number.

4789638 is an abundant number, since it is smaller than the sum of its proper divisors (7375482).

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

4789638 is a wasteful number, since it uses less digits than its factorization.

4789638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12689 (or 12683 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4789638 is about 2188.5241602505. The cubic root of 4789638 is about 168.5650615918.

The spelling of 4789638 in words is "four million, seven hundred eighty-nine thousand, six hundred thirty-eight".