2628455 has 16 divisors (see below), whose sum is σ = 3382560. Its totient is φ = 1960576.

The previous prime is 2628407. The next prime is 2628481. The reversal of 2628455 is 5548262.

2628455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2628455 - 2¹⁰ = 2627431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24512 + ... + 24618.

It is an arithmetic number, because the mean of its divisors is an integer number (211410).

2^2628455 is an apocalyptic number.

2628455 is a deficient number, since it is larger than the sum of its proper divisors (754105).

2628455 is an equidigital number, since it uses as much as digits as its factorization.

2628455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 129 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 2628455 is about 1621.2510601384. The cubic root of 2628455 is about 138.0067034481.

The spelling of 2628455 in words is "two million, six hundred twenty-eight thousand, four hundred fifty-five".