5921849 has 4 divisors (see below), whose sum is σ = 6033636. Its totient is φ = 5810064.

The previous prime is 5921809. The next prime is 5921869. The reversal of 5921849 is 9481295.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9481295 = 5 ⋅1896259.

It can be written as a sum of positive squares in 2 ways, for example, as 4080400 + 1841449 = 2020^2 + 1357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5921849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5921809) 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, 55814 + ... + 55919.

It is an arithmetic number, because the mean of its divisors is an integer number (1508409).

Almost surely, 2^5921849 is an apocalyptic number.

It is an amenable number.

5921849 is a deficient number, since it is larger than the sum of its proper divisors (111787).

5921849 is a wasteful number, since it uses less digits than its factorization.

5921849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111786.

The product of its digits is 25920, while the sum is 38.

The square root of 5921849 is about 2433.4849496144. The cubic root of 5921849 is about 180.9196656208.

The spelling of 5921849 in words is "five million, nine hundred twenty-one thousand, eight hundred forty-nine".