3697394688 has 352 divisors, whose sum is σ = 12031774720. Its totient is φ = 1128701952.

The previous prime is 3697394683. The next prime is 3697394747. The reversal of 3697394688 is 8864937963.

It is not an unprimeable number, because it can be changed into a prime (3697394681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29113281 + ... + 29113407.

Almost surely, 2^3697394688 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 3697394688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6015887360).

3697394688 is an abundant number, since it is smaller than the sum of its proper divisors (8334380032).

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

3697394688 is an equidigital number, since it uses as much as digits as its factorization.

3697394688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 145 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The square root of 3697394688 is about 60806.2059990590. The cubic root of 3697394688 is about 1546.3172628618.

The spelling of 3697394688 in words is "three billion, six hundred ninety-seven million, three hundred ninety-four thousand, six hundred eighty-eight".