2985638264 has 64 divisors (see below), whose sum is σ = 6891244800. Its totient is φ = 1184004864.

The previous prime is 2985638261. The next prime is 2985638267. The reversal of 2985638264 is 4628365892.

It is an interprime number because it is at equal distance from previous prime (2985638261) and next prime (2985638267).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985638261) 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, 13124 + ... + 78380.

It is an arithmetic number, because the mean of its divisors is an integer number (107675700).

Almost surely, 2^2985638264 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 2985638264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3445622400).

2985638264 is an abundant number, since it is smaller than the sum of its proper divisors (3905606536).

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

2985638264 is a wasteful number, since it uses less digits than its factorization.

2985638264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65332 (or 65328 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The square root of 2985638264 is about 54640.9943540562. The cubic root of 2985638264 is about 1439.9444204371.

The spelling of 2985638264 in words is "two billion, nine hundred eighty-five million, six hundred thirty-eight thousand, two hundred sixty-four".