5587389 has 6 divisors (see below), whose sum is σ = 8070686. Its totient is φ = 3724920.

The previous prime is 5587369. The next prime is 5587391. The reversal of 5587389 is 9837855.

It can be written as a sum of positive squares in only one way, i.e., 5560164 + 27225 = 2358^2 + 165^2 .

It is not a de Polignac number, because 5587389 - 2⁷ = 5587261 is a prime.

It is a Duffinian number.

5587389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5587369) 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, 310402 + ... + 310419.

Almost surely, 2^5587389 is an apocalyptic number.

It is an amenable number.

5587389 is a deficient number, since it is larger than the sum of its proper divisors (2483297).

5587389 is a wasteful number, since it uses less digits than its factorization.

5587389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620827 (or 620824 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 5587389 is about 2363.7658513482. The cubic root of 5587389 is about 177.4473982861.

The spelling of 5587389 in words is "five million, five hundred eighty-seven thousand, three hundred eighty-nine".