3973788692 has 48 divisors (see below), whose sum is σ = 7649768448. Its totient is φ = 1798018560.

The previous prime is 3973788677. The next prime is 3973788733. The reversal of 3973788692 is 2968873793.

It is a happy number.

3973788692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324953 + ... + 336959.

It is an arithmetic number, because the mean of its divisors is an integer number (159370176).

Almost surely, 2^3973788692 is an apocalyptic number.

It is an amenable number.

3973788692 is a deficient number, since it is larger than the sum of its proper divisors (3675979756).

3973788692 is a wasteful number, since it uses less digits than its factorization.

3973788692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216 (or 12214 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 62.

The square root of 3973788692 is about 63037.9940353435. The cubic root of 3973788692 is about 1583.9261291988.

The spelling of 3973788692 in words is "three billion, nine hundred seventy-three million, seven hundred eighty-eight thousand, six hundred ninety-two".