3984472913858 has 8 divisors (see below), whose sum is σ = 6169506447360. Its totient is φ = 1927970764740.

The previous prime is 3984472913857. The next prime is 3984472913879. The reversal of 3984472913858 is 8583192744893.

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

It is a super-2 number, since 2×3984472913858² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3984472913791 and 3984472913800.

It is not an unprimeable number, because it can be changed into a prime (3984472913857) 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, 32132846018 + ... + 32132846141.

It is an arithmetic number, because the mean of its divisors is an integer number (771188305920).

Almost surely, 2^{3984472913858} is an apocalyptic number.

3984472913858 is a deficient number, since it is larger than the sum of its proper divisors (2185033533502).

3984472913858 is a wasteful number, since it uses less digits than its factorization.

3984472913858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64265692192.

The product of its digits is 418037760, while the sum is 71.

The spelling of 3984472913858 in words is "three trillion, nine hundred eighty-four billion, four hundred seventy-two million, nine hundred thirteen thousand, eight hundred fifty-eight".