2628819 has 6 divisors (see below), whose sum is σ = 3797196. Its totient is φ = 1752540.

The previous prime is 2628817. The next prime is 2628823. The reversal of 2628819 is 9188262.

It is not a de Polignac number, because 2628819 - 2¹ = 2628817 is a prime.

It is a super-2 number, since 2×2628819² = 13821378669522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2628811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146037 + ... + 146054.

It is an arithmetic number, because the mean of its divisors is an integer number (632866).

2^2628819 is an apocalyptic number.

2628819 is a deficient number, since it is larger than the sum of its proper divisors (1168377).

2628819 is a wasteful number, since it uses less digits than its factorization.

2628819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292097 (or 292094 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2628819 is about 1621.3633152381. The cubic root of 2628819 is about 138.0130737456.

The spelling of 2628819 in words is "two million, six hundred twenty-eight thousand, eight hundred nineteen".