3992473368 has 128 divisors (see below), whose sum is σ = 12107524800. Its totient is φ = 1211563008.

The previous prime is 3992473367. The next prime is 3992473391. The reversal of 3992473368 is 8633742993.

3992473368 is a `hidden beast` number, since 39 + 9 + 247 + 3 + 368 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992473367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195246 + ... + 214722.

Almost surely, 2^3992473368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3992473368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6053762400).

3992473368 is an abundant number, since it is smaller than the sum of its proper divisors (8115051432).

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

3992473368 is a wasteful number, since it uses less digits than its factorization.

3992473368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19578 (or 19568 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The square root of 3992473368 is about 63186.0219352350. The cubic root of 3992473368 is about 1586.4047781949.

The spelling of 3992473368 in words is "three billion, nine hundred ninety-two million, four hundred seventy-three thousand, three hundred sixty-eight".