5628889 has 4 divisors (see below), whose sum is σ = 6433024. Its totient is φ = 4824756.

The previous prime is 5628877. The next prime is 5628899. The reversal of 5628889 is 9888265.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5628889 - 2¹⁵ = 5596121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5628839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402057 + ... + 402070.

It is an arithmetic number, because the mean of its divisors is an integer number (1608256).

Almost surely, 2^5628889 is an apocalyptic number.

It is an amenable number.

5628889 is a deficient number, since it is larger than the sum of its proper divisors (804135).

5628889 is an equidigital number, since it uses as much as digits as its factorization.

5628889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804134.

The product of its digits is 276480, while the sum is 46.

The square root of 5628889 is about 2372.5279766528. The cubic root of 5628889 is about 177.8856417323.

The spelling of 5628889 in words is "five million, six hundred twenty-eight thousand, eight hundred eighty-nine".