2628663 has 16 divisors (see below), whose sum is σ = 3634176. Its totient is φ = 1689120.

The previous prime is 2628649. The next prime is 2628667. The reversal of 2628663 is 3668262.

It is not a de Polignac number, because 2628663 - 2⁶ = 2628599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628667) 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, 14433 + ... + 14613.

It is an arithmetic number, because the mean of its divisors is an integer number (227136).

2^2628663 is an apocalyptic number.

2628663 is a deficient number, since it is larger than the sum of its proper divisors (1005513).

2628663 is a wasteful number, since it uses less digits than its factorization.

2628663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334.

The product of its digits is 20736, while the sum is 33.

The square root of 2628663 is about 1621.3152068614. The cubic root of 2628663 is about 138.0103436901.

The spelling of 2628663 in words is "two million, six hundred twenty-eight thousand, six hundred sixty-three".