3286690681 has 8 divisors (see below), whose sum is σ = 3365756064. Its totient is φ = 3207744960.

The previous prime is 3286690679. The next prime is 3286690697. The reversal of 3286690681 is 1860966823.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3286690681 - 2¹ = 3286690679 is a prime.

It is a super-2 number, since 2×3286690681² = 21604671265144487522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3286690601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26961 + ... + 85441.

It is an arithmetic number, because the mean of its divisors is an integer number (420719508).

Almost surely, 2^3286690681 is an apocalyptic number.

It is an amenable number.

3286690681 is a deficient number, since it is larger than the sum of its proper divisors (79065383).

3286690681 is a wasteful number, since it uses less digits than its factorization.

3286690681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59831.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 3286690681 is about 57329.6666744191. Note that the first 4 decimals coincide. The cubic root of 3286690681 is about 1486.8013421792.

The spelling of 3286690681 in words is "three billion, two hundred eighty-six million, six hundred ninety thousand, six hundred eighty-one".