3618248856 has 64 divisors (see below), whose sum is σ = 9598992480. Its totient is φ = 1132615680.

The previous prime is 3618248819. The next prime is 3618248857. The reversal of 3618248856 is 6588428163.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 3618248799 and 3618248808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618248857) 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, 178470 + ... + 197706.

Almost surely, 2^3618248856 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 3618248856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4799496240).

3618248856 is an abundant number, since it is smaller than the sum of its proper divisors (5980743624).

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

3618248856 is a wasteful number, since it uses less digits than its factorization.

3618248856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19724 (or 19720 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The square root of 3618248856 is about 60151.8815665811. The cubic root of 3618248856 is about 1535.2041809829.

The spelling of 3618248856 in words is "three billion, six hundred eighteen million, two hundred forty-eight thousand, eight hundred fifty-six".