3973911446 has 16 divisors (see below), whose sum is σ = 6287405760. Its totient is φ = 1878536520.

The previous prime is 3973911397. The next prime is 3973911479. The reversal of 3973911446 is 6441193793.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3973911446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87836 + ... + 125151.

It is an arithmetic number, because the mean of its divisors is an integer number (392962860).

Almost surely, 2^3973911446 is an apocalyptic number.

3973911446 is a deficient number, since it is larger than the sum of its proper divisors (2313494314).

3973911446 is a wasteful number, since it uses less digits than its factorization.

3973911446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213499.

The product of its digits is 489888, while the sum is 47.

The square root of 3973911446 is about 63038.9676787303. The cubic root of 3973911446 is about 1583.9424386775.

The spelling of 3973911446 in words is "three billion, nine hundred seventy-three million, nine hundred eleven thousand, four hundred forty-six".