2985983986 has 4 divisors (see below), whose sum is σ = 4478975982. Its totient is φ = 1492991992.

The previous prime is 2985983939. The next prime is 2985984011. The reversal of 2985983986 is 6893895892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2977775761 + 8208225 = 54569^2 + 2865^2 .

It is a super-2 number, since 2×2985983986² = 17832200729296896392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746495995 + ... + 746495998.

Almost surely, 2^2985983986 is an apocalyptic number.

2985983986 is a deficient number, since it is larger than the sum of its proper divisors (1492991996).

2985983986 is a wasteful number, since it uses less digits than its factorization.

2985983986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492991995.

The product of its digits is 67184640, while the sum is 67.

The square root of 2985983986 is about 54644.1578396081. The cubic root of 2985983986 is about 1439.9999977495. Note that the first 5 decimals are identical.

The spelling of 2985983986 in words is "two billion, nine hundred eighty-five million, nine hundred eighty-three thousand, nine hundred eighty-six".