4284808638 has 64 divisors (see below), whose sum is σ = 9853747200. Its totient is φ = 1229970560.

The previous prime is 4284808637. The next prime is 4284808651. The reversal of 4284808638 is 8368084824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4284808631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80323 + ... + 122561.

It is an arithmetic number, because the mean of its divisors is an integer number (153964800).

Almost surely, 2^4284808638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4284808638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4926873600).

4284808638 is an abundant number, since it is smaller than the sum of its proper divisors (5568938562).

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

4284808638 is a wasteful number, since it uses less digits than its factorization.

4284808638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42337.

The product of its (nonzero) digits is 2359296, while the sum is 51.

The square root of 4284808638 is about 65458.4497066651. The cubic root of 4284808638 is about 1624.2160969183.

The spelling of 4284808638 in words is "four billion, two hundred eighty-four million, eight hundred eight thousand, six hundred thirty-eight".