2987764 has 12 divisors (see below), whose sum is σ = 5630884. Its totient is φ = 1378944.

The previous prime is 2987753. The next prime is 2987771. The reversal of 2987764 is 4677892.

It can be written as a sum of positive squares in 2 ways, for example, as 1276900 + 1710864 = 1130^2 + 1308^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2987764.

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, 28677 + ... + 28780.

2^2987764 is an apocalyptic number.

It is an amenable number.

2987764 is a deficient number, since it is larger than the sum of its proper divisors (2643120).

2987764 is a wasteful number, since it uses less digits than its factorization.

2987764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57474 (or 57472 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 2987764 is about 1728.5149695620. The cubic root of 2987764 is about 144.0286079993.

The spelling of 2987764 in words is "two million, nine hundred eighty-seven thousand, seven hundred sixty-four".