3992394248 has 8 divisors (see below), whose sum is σ = 7485739230. Its totient is φ = 1996197120.

The previous prime is 3992394193. The next prime is 3992394251. The reversal of 3992394248 is 8424932993.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2768653924 + 1223740324 = 52618^2 + 34982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3992394248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249524633 + ... + 249524648.

Almost surely, 2^3992394248 is an apocalyptic number.

It is an amenable number.

3992394248 is a deficient number, since it is larger than the sum of its proper divisors (3493344982).

3992394248 is a wasteful number, since it uses less digits than its factorization.

3992394248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499049287 (or 499049283 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 53.

The square root of 3992394248 is about 63185.3958442930. The cubic root of 3992394248 is about 1586.3942987115.

The spelling of 3992394248 in words is "three billion, nine hundred ninety-two million, three hundred ninety-four thousand, two hundred forty-eight".