3984756842 has 8 divisors (see below), whose sum is σ = 6520511232. Its totient is φ = 1811253100.

The previous prime is 3984756829. The next prime is 3984756859. The reversal of 3984756842 is 2486574893.

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

It is a super-3 number, since 3×3984756842³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90562634 + ... + 90562677.

It is an arithmetic number, because the mean of its divisors is an integer number (815063904).

Almost surely, 2^3984756842 is an apocalyptic number.

3984756842 is a deficient number, since it is larger than the sum of its proper divisors (2535754390).

3984756842 is a wasteful number, since it uses less digits than its factorization.

3984756842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181125324.

The product of its digits is 11612160, while the sum is 56.

The square root of 3984756842 is about 63124.9304316448. The cubic root of 3984756842 is about 1585.3820680643.

The spelling of 3984756842 in words is "three billion, nine hundred eighty-four million, seven hundred fifty-six thousand, eight hundred forty-two".