3973146428 has 24 divisors (see below), whose sum is σ = 7113857184. Its totient is φ = 1941048000.

The previous prime is 3973146427. The next prime is 3973146473. The reversal of 3973146428 is 8246413793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973146427) 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, 17075 + ... + 90762.

It is an arithmetic number, because the mean of its divisors is an integer number (296410716).

Almost surely, 2^3973146428 is an apocalyptic number.

It is an amenable number.

3973146428 is a deficient number, since it is larger than the sum of its proper divisors (3140710756).

3973146428 is a wasteful number, since it uses less digits than its factorization.

3973146428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108053 (or 108051 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 3973146428 is about 63032.8995684000. The cubic root of 3973146428 is about 1583.8407905273.

The spelling of 3973146428 in words is "three billion, nine hundred seventy-three million, one hundred forty-six thousand, four hundred twenty-eight".