2764987 has 4 divisors (see below), whose sum is σ = 2790936. Its totient is φ = 2739040.

The previous prime is 2764967. The next prime is 2765039. The reversal of 2764987 is 7894672.

2764987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2764987 - 2¹¹ = 2762939 is a prime.

It is a super-2 number, since 2×2764987² = 15290306220338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2764907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12814 + ... + 13027.

It is an arithmetic number, because the mean of its divisors is an integer number (697734).

2^2764987 is an apocalyptic number.

2764987 is a deficient number, since it is larger than the sum of its proper divisors (25949).

2764987 is a wasteful number, since it uses less digits than its factorization.

2764987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25948.

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

The square root of 2764987 is about 1662.8250058259. The cubic root of 2764987 is about 140.3560156645.

The spelling of 2764987 in words is "two million, seven hundred sixty-four thousand, nine hundred eighty-seven".