3992134787 has 8 divisors (see below), whose sum is σ = 4049289840. Its totient is φ = 3935325600.

The previous prime is 3992134753. The next prime is 3992134789. The reversal of 3992134787 is 7874312993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3992134787 - 2²² = 3987940483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3992134789) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 63173 + ... + 109430.

It is an arithmetic number, because the mean of its divisors is an integer number (506161230).

Almost surely, 2^3992134787 is an apocalyptic number.

3992134787 is a deficient number, since it is larger than the sum of its proper divisors (57155053).

3992134787 is a wasteful number, since it uses less digits than its factorization.

3992134787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172933.

The product of its digits is 2286144, while the sum is 53.

The square root of 3992134787 is about 63183.3426387050. The cubic root of 3992134787 is about 1586.3599320014.

The spelling of 3992134787 in words is "three billion, nine hundred ninety-two million, one hundred thirty-four thousand, seven hundred eighty-seven".