2890663 has 8 divisors (see below), whose sum is σ = 3194208. Its totient is φ = 2601984.

The previous prime is 2890649. The next prime is 2890669. The reversal of 2890663 is 3660982.

It is a happy number.

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 2890663 - 2²¹ = 793511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3306 + ... + 4087.

It is an arithmetic number, because the mean of its divisors is an integer number (399276).

2^2890663 is an apocalyptic number.

2890663 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2890663 is a deficient number, since it is larger than the sum of its proper divisors (303545).

2890663 is a wasteful number, since it uses less digits than its factorization.

2890663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2890663 is about 1700.1949888175. The cubic root of 2890663 is about 142.4511045953.

It can be divided in two parts, 2890 and 663, that added together give a palindrome (3553).

The spelling of 2890663 in words is "two million, eight hundred ninety thousand, six hundred sixty-three".