3946972173 has 16 divisors (see below), whose sum is σ = 5434177536. Its totient is φ = 2545596720.

The previous prime is 3946972153. The next prime is 3946972177. The reversal of 3946972173 is 3712796493.

It is not a de Polignac number, because 3946972173 - 2⁹ = 3946971661 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946972177) 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, 412186 + ... + 421652.

It is an arithmetic number, because the mean of its divisors is an integer number (339636096).

Almost surely, 2^3946972173 is an apocalyptic number.

It is an amenable number.

3946972173 is a deficient number, since it is larger than the sum of its proper divisors (1487205363).

3946972173 is a wasteful number, since it uses less digits than its factorization.

3946972173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984.

The product of its digits is 1714608, while the sum is 51.

The square root of 3946972173 is about 62824.9327337483. The cubic root of 3946972173 is about 1580.3551213999.

The spelling of 3946972173 in words is "three billion, nine hundred forty-six million, nine hundred seventy-two thousand, one hundred seventy-three".