2987663 has 8 divisors (see below), whose sum is σ = 3479328. Its totient is φ = 2512224.

The previous prime is 2987659. The next prime is 2987707. The reversal of 2987663 is 3667892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2987663 - 2² = 2987659 is a prime.

It is a super-2 number, since 2×2987663² = 17852260403138, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 9 + 8⁷ + 7⁷ + 6 + 6⁵ + 3¹⁰ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2987663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3656 + ... + 4397.

It is an arithmetic number, because the mean of its divisors is an integer number (434916).

2^2987663 is an apocalyptic number.

2987663 is a deficient number, since it is larger than the sum of its proper divisors (491665).

2987663 is an equidigital number, since it uses as much as digits as its factorization.

2987663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113.

The product of its digits is 108864, while the sum is 41.

The square root of 2987663 is about 1728.4857534848. The cubic root of 2987663 is about 144.0269850405.

The spelling of 2987663 in words is "two million, nine hundred eighty-seven thousand, six hundred sixty-three".