2628003 has 16 divisors (see below), whose sum is σ = 4179456. Its totient is φ = 1436160.

The previous prime is 2627993. The next prime is 2628053. The reversal of 2628003 is 3008262.

It is not a de Polignac number, because 2628003 - 2⁴ = 2627987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2628053) 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, 2238 + ... + 3203.

It is an arithmetic number, because the mean of its divisors is an integer number (261216).

2^2628003 is an apocalyptic number.

2628003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2628003 is a deficient number, since it is larger than the sum of its proper divisors (1551453).

2628003 is a wasteful number, since it uses less digits than its factorization.

2628003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2628003 is about 1621.1116556240. Note that the first 3 decimals coincide. The cubic root of 2628003 is about 137.9987922600.

The spelling of 2628003 in words is "two million, six hundred twenty-eight thousand, three".