2628897 has 16 divisors (see below), whose sum is σ = 3908160. Its totient is φ = 1562112.

The previous prime is 2628889. The next prime is 2628911. The reversal of 2628897 is 7988262.

It is a happy number.

It is not a de Polignac number, because 2628897 - 2³ = 2628889 is a prime.

It is a super-2 number, since 2×2628897² = 13822198873218, which contains 22 as substring.

2628897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2628817) 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, 388 + ... + 2325.

It is an arithmetic number, because the mean of its divisors is an integer number (244260).

2^2628897 is an apocalyptic number.

It is an amenable number.

2628897 is a deficient number, since it is larger than the sum of its proper divisors (1279263).

2628897 is a wasteful number, since it uses less digits than its factorization.

2628897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752.

The product of its digits is 96768, while the sum is 42.

The square root of 2628897 is about 1621.3873688912. The cubic root of 2628897 is about 138.0144387329.

The spelling of 2628897 in words is "two million, six hundred twenty-eight thousand, eight hundred ninety-seven".