3973759894 has 16 divisors (see below), whose sum is σ = 6796748448. Its totient is φ = 1726157952.

The previous prime is 3973759861. The next prime is 3973759919. The reversal of 3973759894 is 4989573793.

It is a happy number.

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, 4494762 + ... + 4495645.

It is an arithmetic number, because the mean of its divisors is an integer number (424796778).

Almost surely, 2^3973759894 is an apocalyptic number.

3973759894 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3973759894 is a deficient number, since it is larger than the sum of its proper divisors (2822988554).

3973759894 is a wasteful number, since it uses less digits than its factorization.

3973759894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8990439.

The product of its digits is 51438240, while the sum is 64.

The square root of 3973759894 is about 63037.7656171283. The cubic root of 3973759894 is about 1583.9223029582.

The spelling of 3973759894 in words is "three billion, nine hundred seventy-three million, seven hundred fifty-nine thousand, eight hundred ninety-four".