3982837985 has 8 divisors (see below), whose sum is σ = 5462177856. Its totient is φ = 2731088880.

The previous prime is 3982837967. The next prime is 3982837993. The reversal of 3982837985 is 5897382893.

3982837985 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3982837985 - 2¹⁰ = 3982836961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56897651 + ... + 56897720.

It is an arithmetic number, because the mean of its divisors is an integer number (682772232).

Almost surely, 2^3982837985 is an apocalyptic number.

3982837985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3982837985 is a deficient number, since it is larger than the sum of its proper divisors (1479339871).

3982837985 is a wasteful number, since it uses less digits than its factorization.

3982837985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113795383.

The product of its digits is 26127360, while the sum is 62.

The square root of 3982837985 is about 63109.7297173740. The cubic root of 3982837985 is about 1585.1275473126.

The spelling of 3982837985 in words is "three billion, nine hundred eighty-two million, eight hundred thirty-seven thousand, nine hundred eighty-five".