2628387 has 24 divisors (see below), whose sum is σ = 4127760. Its totient is φ = 1605120.

The previous prime is 2628383. The next prime is 2628401. The reversal of 2628387 is 7838262.

It is a happy number.

It is not a de Polignac number, because 2628387 - 2² = 2628383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2628383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6064 + ... + 6482.

It is an arithmetic number, because the mean of its divisors is an integer number (171990).

2^2628387 is an apocalyptic number.

2628387 is a deficient number, since it is larger than the sum of its proper divisors (1499373).

2628387 is a wasteful number, since it uses less digits than its factorization.

2628387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 480 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2628387 is about 1621.2300885439. The cubic root of 2628387 is about 138.0055133273.

It can be divided in two parts, 262 and 8387, that added together give a square (8649 = 93²).

The spelling of 2628387 in words is "two million, six hundred twenty-eight thousand, three hundred eighty-seven".