3728386792 has 16 divisors (see below), whose sum is σ = 7528473540. Its totient is φ = 1720793856.

The previous prime is 3728386787. The next prime is 3728386793. The reversal of 3728386792 is 2976838273.

It can be written as a sum of positive squares in 2 ways, for example, as 2853055396 + 875331396 = 53414^2 + 29586^2 .

It is not an unprimeable number, because it can be changed into a prime (3728386793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17924833 + ... + 17925040.

Almost surely, 2^3728386792 is an apocalyptic number.

It is an amenable number.

3728386792 is an abundant number, since it is smaller than the sum of its proper divisors (3800086748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3728386792 is a wasteful number, since it uses less digits than its factorization.

3728386792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35849892 (or 35849888 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 55.

The square root of 3728386792 is about 61060.5174560452. The cubic root of 3728386792 is about 1550.6257330677.

The spelling of 3728386792 in words is "three billion, seven hundred twenty-eight million, three hundred eighty-six thousand, seven hundred ninety-two".