5628399 has 32 divisors (see below), whose sum is σ = 9191424. Its totient is φ = 2993760.

The previous prime is 5628397. The next prime is 5628421. The reversal of 5628399 is 9938265.

5628399 = T₄₉₀ + T₄₉₁ + ... + T₅₃₂.

5628399 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5628399 - 2¹ = 5628397 is a prime.

It is an Ulam number.

5628399 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5628399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5628397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20634 + ... + 20904.

It is an arithmetic number, because the mean of its divisors is an integer number (287232).

Almost surely, 2^5628399 is an apocalyptic number.

5628399 is a deficient number, since it is larger than the sum of its proper divisors (3563025).

5628399 is a wasteful number, since it uses less digits than its factorization.

5628399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347.

The product of its digits is 116640, while the sum is 42.

The square root of 5628399 is about 2372.4247090266. The cubic root of 5628399 is about 177.8804798793.

The spelling of 5628399 in words is "five million, six hundred twenty-eight thousand, three hundred ninety-nine".