5671849 has 4 divisors (see below), whose sum is σ = 5867460. Its totient is φ = 5476240.

The previous prime is 5671837. The next prime is 5671859. The reversal of 5671849 is 9481765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9481765 = 5 ⋅1896353.

It can be written as a sum of positive squares in 2 ways, for example, as 4000000 + 1671849 = 2000^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 5671849 - 2¹¹ = 5669801 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5671859) 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, 97762 + ... + 97819.

It is an arithmetic number, because the mean of its divisors is an integer number (1466865).

Almost surely, 2^5671849 is an apocalyptic number.

It is an amenable number.

5671849 is a deficient number, since it is larger than the sum of its proper divisors (195611).

5671849 is a wasteful number, since it uses less digits than its factorization.

5671849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195610.

The product of its digits is 60480, while the sum is 40.

The square root of 5671849 is about 2381.5644018166. The cubic root of 5671849 is about 178.3370397421.

The spelling of 5671849 in words is "five million, six hundred seventy-one thousand, eight hundred forty-nine".