3447697986 has 32 divisors (see below), whose sum is σ = 7684737600. Its totient is φ = 1145754720.

The previous prime is 3447697961. The next prime is 3447697997. The reversal of 3447697986 is 6897967443.

It is a Curzon 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, 78571 + ... + 114318.

It is an arithmetic number, because the mean of its divisors is an integer number (240148050).

Almost surely, 2^3447697986 is an apocalyptic number.

3447697986 is an abundant number, since it is smaller than the sum of its proper divisors (4237039614).

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

3447697986 is a wasteful number, since it uses less digits than its factorization.

3447697986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193231 (or 193225 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The square root of 3447697986 is about 58717.1013078813. The cubic root of 3447697986 is about 1510.6936546681.

The spelling of 3447697986 in words is "three billion, four hundred forty-seven million, six hundred ninety-seven thousand, nine hundred eighty-six".