2985983 has 32 divisors (see below), whose sum is σ = 4247040. Its totient is φ = 2021760.

The previous prime is 2985979. The next prime is 2985991. The reversal of 2985983 is 3895892.

2985983 is nontrivially palindromic in base 12.

It is a Cunningham number, because it is equal to 12⁶-1.

It is not a de Polignac number, because 2985983 - 2² = 2985979 is a prime.

2985983 is a nontrivial repdigit in base 12.

It is a plaindrome in base 12.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985943) 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 31 ways as a sum of consecutive naturals, for example, 18941 + ... + 19097.

It is an arithmetic number, because the mean of its divisors is an integer number (132720).

2^2985983 is an apocalyptic number.

2985983 is a deficient number, since it is larger than the sum of its proper divisors (1261057).

2985983 is a wasteful number, since it uses less digits than its factorization.

2985983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207.

The product of its digits is 155520, while the sum is 44.

The square root of 2985983 is about 1727.9997106481. Note that the first 3 decimals coincide. The cubic root of 2985983 is about 143.9999839249. Note that the first 4 decimals are identical.

Subtracting 2985983 from its reverse (3895892), we obtain a palindrome (909909).

The spelling of 2985983 in words is "two million, nine hundred eighty-five thousand, nine hundred eighty-three".