2987768 has 16 divisors (see below), whose sum is σ = 6402480. Its totient is φ = 1280448.

The previous prime is 2987753. The next prime is 2987771. The reversal of 2987768 is 8677892.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26621 + ... + 26732.

It is an arithmetic number, because the mean of its divisors is an integer number (400155).

2^2987768 is an apocalyptic number.

2987768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2987768 is an abundant number, since it is smaller than the sum of its proper divisors (3414712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2987768 is a wasteful number, since it uses less digits than its factorization.

2987768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53366 (or 53362 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 2987768 is about 1728.5161266242. The cubic root of 2987768 is about 144.0286722741.

The spelling of 2987768 in words is "two million, nine hundred eighty-seven thousand, seven hundred sixty-eight".