5628591 has 12 divisors (see below), whose sum is σ = 8168680. Its totient is φ = 3734640.

The previous prime is 5628589. The next prime is 5628593. The reversal of 5628591 is 1958265.

It is a happy number.

5628591 is a `hidden beast` number, since 5 + 62 + 8 + 591 = 666.

It is an interprime number because it is at equal distance from previous prime (5628589) and next prime (5628593).

It is not a de Polignac number, because 5628591 - 2¹ = 5628589 is a prime.

It is a Duffinian number.

5628591 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5628593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696 + ... + 3426.

Almost surely, 2^5628591 is an apocalyptic number.

5628591 is a deficient number, since it is larger than the sum of its proper divisors (2540089).

5628591 is a wasteful number, since it uses less digits than its factorization.

5628591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966 (or 2963 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 5628591 is about 2372.4651736116. The cubic root of 5628591 is about 177.8825025186.

The spelling of 5628591 in words is "five million, six hundred twenty-eight thousand, five hundred ninety-one".