2987983 has 2 divisors, whose sum is σ = 2987984. Its totient is φ = 2987982.

The previous prime is 2987969. The next prime is 2987989. The reversal of 2987983 is 3897892.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2987983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2987989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493991 + 1493992.

It is an arithmetic number, because the mean of its divisors is an integer number (1493992).

2^2987983 is an apocalyptic number.

2987983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2987983 is an equidigital number, since it uses as much as digits as its factorization.

2987983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The square root of 2987983 is about 1728.5783175778. The cubic root of 2987983 is about 144.0321269625.

Subtracting 2987983 from its reverse (3897892), we obtain a palindrome (909909).

It can be divided in two parts, 298 and 7983, that added together give a square (8281 = 91²).

The spelling of 2987983 in words is "two million, nine hundred eighty-seven thousand, nine hundred eighty-three".