3974601971 has 8 divisors (see below), whose sum is σ = 3994324704. Its totient is φ = 3954919360.

The previous prime is 3974601947. The next prime is 3974601979. The reversal of 3974601971 is 1791064793.

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

It is a cyclic number.

It is not a de Polignac number, because 3974601971 - 2¹⁸ = 3974339827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3974601979) 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, 199265 + ... + 218301.

It is an arithmetic number, because the mean of its divisors is an integer number (499290588).

Almost surely, 2^3974601971 is an apocalyptic number.

3974601971 is a deficient number, since it is larger than the sum of its proper divisors (19722733).

3974601971 is a wasteful number, since it uses less digits than its factorization.

3974601971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20061.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 3974601971 is about 63044.4444102730. Note that the first 4 decimals coincide. The cubic root of 3974601971 is about 1584.0341777212.

The spelling of 3974601971 in words is "three billion, nine hundred seventy-four million, six hundred one thousand, nine hundred seventy-one".