3971622683 has 16 divisors (see below), whose sum is σ = 4588807680. Its totient is φ = 3366994176.

The previous prime is 3971622679. The next prime is 3971622689. The reversal of 3971622683 is 3862261793.

It is a happy number.

It is not a de Polignac number, because 3971622683 - 2² = 3971622679 is a prime.

It is a super-2 number, since 2×3971622683² = 31547573472240236978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3971622689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500138 + ... + 508016.

It is an arithmetic number, because the mean of its divisors is an integer number (286800480).

Almost surely, 2^3971622683 is an apocalyptic number.

3971622683 is a deficient number, since it is larger than the sum of its proper divisors (617184997).

3971622683 is a wasteful number, since it uses less digits than its factorization.

3971622683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666.

The product of its digits is 653184, while the sum is 47.

The square root of 3971622683 is about 63020.8115069935. The cubic root of 3971622683 is about 1583.6382912309.

The spelling of 3971622683 in words is "three billion, nine hundred seventy-one million, six hundred twenty-two thousand, six hundred eighty-three".