3613611852 has 60 divisors (see below), whose sum is σ = 9506999040. Its totient is φ = 1196848224.

The previous prime is 3613611823. The next prime is 3613611853. The reversal of 3613611852 is 2581163163.

3613611852 is a `hidden beast` number, since 36 + 1 + 3 + 611 + 8 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3613611853) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15349 + ... + 86387.

It is an arithmetic number, because the mean of its divisors is an integer number (158449984).

Almost surely, 2^3613611852 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 3613611852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4753499520).

3613611852 is an abundant number, since it is smaller than the sum of its proper divisors (5893387188).

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

3613611852 is a wasteful number, since it uses less digits than its factorization.

3613611852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71212 (or 71201 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3613611852 is about 60113.3250785548. The cubic root of 3613611852 is about 1534.5480817286.

The spelling of 3613611852 in words is "three billion, six hundred thirteen million, six hundred eleven thousand, eight hundred fifty-two".