2790663 has 16 divisors (see below), whose sum is σ = 3953280. Its totient is φ = 1746144.

The previous prime is 2790653. The next prime is 2790673. The reversal of 2790663 is 3660972.

It is an interprime number because it is at equal distance from previous prime (2790653) and next prime (2790673).

It is not a de Polignac number, because 2790663 - 2⁴ = 2790647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9720 + ... + 10002.

It is an arithmetic number, because the mean of its divisors is an integer number (247080).

2^2790663 is an apocalyptic number.

2790663 is a deficient number, since it is larger than the sum of its proper divisors (1162617).

2790663 is a wasteful number, since it uses less digits than its factorization.

2790663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 2790663 is about 1670.5277609187. The cubic root of 2790663 is about 140.7891320113.

The spelling of 2790663 in words is "two million, seven hundred ninety thousand, six hundred sixty-three".