4639607388 has 72 divisors (see below), whose sum is σ = 12760373808. Its totient is φ = 1412840448.

The previous prime is 4639607383. The next prime is 4639607417. The reversal of 4639607388 is 8837069364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4639607381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5706 + ... + 96497.

It is an arithmetic number, because the mean of its divisors is an integer number (177227414).

Almost surely, 2^4639607388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4639607388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6380186904).

4639607388 is an abundant number, since it is smaller than the sum of its proper divisors (8120766420).

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

4639607388 is a wasteful number, since it uses less digits than its factorization.

4639607388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102323 (or 102318 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 4639607388 is about 68114.6635314306. The cubic root of 4639607388 is about 1667.8631385386.

The spelling of 4639607388 in words is "four billion, six hundred thirty-nine million, six hundred seven thousand, three hundred eighty-eight".