5649837 has 4 divisors (see below), whose sum is σ = 7533120. Its totient is φ = 3766556.

The previous prime is 5649829. The next prime is 5649851. The reversal of 5649837 is 7389465.

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 5649837 - 2³ = 5649829 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941637 + ... + 941642.

It is an arithmetic number, because the mean of its divisors is an integer number (1883280).

Almost surely, 2^5649837 is an apocalyptic number.

It is an amenable number.

5649837 is a deficient number, since it is larger than the sum of its proper divisors (1883283).

5649837 is a wasteful number, since it uses less digits than its factorization.

5649837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883282.

The product of its digits is 181440, while the sum is 42.

The square root of 5649837 is about 2376.9385772459. The cubic root of 5649837 is about 178.1060366393.

It can be divided in two parts, 564 and 9837, that added together give a palindrome (10401).

The spelling of 5649837 in words is "five million, six hundred forty-nine thousand, eight hundred thirty-seven".