3613817856 has 176 divisors, whose sum is σ = 10576275840. Its totient is φ = 1087979520.

The previous prime is 3613817849. The next prime is 3613817863. The reversal of 3613817856 is 6587183163.

It is an interprime number because it is at equal distance from previous prime (3613817849) and next prime (3613817863).

It is a tau number, because it is divible by the number of its divisors (176).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7738135 + ... + 7738601.

Almost surely, 2^3613817856 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 3613817856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5288137920).

3613817856 is an abundant number, since it is smaller than the sum of its proper divisors (6962457984).

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

3613817856 is a wasteful number, since it uses less digits than its factorization.

3613817856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 712 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 3613817856 is about 60115.0385178285. The cubic root of 3613817856 is about 1534.5772415691.

The spelling of 3613817856 in words is "three billion, six hundred thirteen million, eight hundred seventeen thousand, eight hundred fifty-six".