3997946674 has 16 divisors (see below), whose sum is σ = 6332863680. Its totient is φ = 1887669360.

The previous prime is 3997946671. The next prime is 3997946707. The reversal of 3997946674 is 4766497993.

It is not an unprimeable number, because it can be changed into a prime (3997946671) 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, 157329 + ... + 180964.

It is an arithmetic number, because the mean of its divisors is an integer number (395803980).

Almost surely, 2^3997946674 is an apocalyptic number.

3997946674 is a deficient number, since it is larger than the sum of its proper divisors (2334917006).

3997946674 is a wasteful number, since it uses less digits than its factorization.

3997946674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338625.

The product of its digits is 61725888, while the sum is 64.

The square root of 3997946674 is about 63229.3181522622. The cubic root of 3997946674 is about 1587.1293844900.

The spelling of 3997946674 in words is "three billion, nine hundred ninety-seven million, nine hundred forty-six thousand, six hundred seventy-four".