3693061988 has 72 divisors (see below), whose sum is σ = 8286495840. Its totient is φ = 1423941120.

The previous prime is 3693061979. The next prime is 3693061991. The reversal of 3693061988 is 8891603963.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200303 + ... + 217961.

It is an arithmetic number, because the mean of its divisors is an integer number (115090220).

Almost surely, 2^3693061988 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 3693061988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4143247920).

3693061988 is an abundant number, since it is smaller than the sum of its proper divisors (4593433852).

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

3693061988 is a wasteful number, since it uses less digits than its factorization.

3693061988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17785 (or 17776 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 3693061988 is about 60770.5684357157. The cubic root of 3693061988 is about 1545.7130223046.

The spelling of 3693061988 in words is "three billion, six hundred ninety-three million, sixty-one thousand, nine hundred eighty-eight".