5649889 has 4 divisors (see below), whose sum is σ = 6457024. Its totient is φ = 4842756.

The previous prime is 5649883. The next prime is 5649901. The reversal of 5649889 is 9889465.

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 5649889 - 2¹¹ = 5647841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5649883) 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, 403557 + ... + 403570.

It is an arithmetic number, because the mean of its divisors is an integer number (1614256).

Almost surely, 2^5649889 is an apocalyptic number.

It is an amenable number.

5649889 is a deficient number, since it is larger than the sum of its proper divisors (807135).

5649889 is an equidigital number, since it uses as much as digits as its factorization.

5649889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807134.

The product of its digits is 622080, while the sum is 49.

The square root of 5649889 is about 2376.9495156608. The cubic root of 5649889 is about 178.1065830554.

The spelling of 5649889 in words is "five million, six hundred forty-nine thousand, eight hundred eighty-nine".