3613579398 has 128 divisors (see below), whose sum is σ = 9989360640. Its totient is φ = 951298560.

The previous prime is 3613579373. The next prime is 3613579441. The reversal of 3613579398 is 8939753163.

3613579398 is a `hidden beast` number, since 3 + 61 + 3 + 579 + 3 + 9 + 8 = 666.

3613579398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117511 + ... + 145037.

It is an arithmetic number, because the mean of its divisors is an integer number (78041880).

Almost surely, 2^3613579398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3613579398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4994680320).

3613579398 is an abundant number, since it is smaller than the sum of its proper divisors (6375781242).

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

3613579398 is a wasteful number, since it uses less digits than its factorization.

3613579398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27579 (or 27573 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 3613579398 is about 60113.0551377985. The cubic root of 3613579398 is about 1534.5434877678.

The spelling of 3613579398 in words is "three billion, six hundred thirteen million, five hundred seventy-nine thousand, three hundred ninety-eight".