5669849 has 4 divisors (see below), whose sum is σ = 5808180. Its totient is φ = 5531520.

The previous prime is 5669831. The next prime is 5669861. The reversal of 5669849 is 9489665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2544025 + 3125824 = 1595^2 + 1768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5669849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5669879) 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, 69104 + ... + 69185.

It is an arithmetic number, because the mean of its divisors is an integer number (1452045).

Almost surely, 2^5669849 is an apocalyptic number.

It is an amenable number.

5669849 is a deficient number, since it is larger than the sum of its proper divisors (138331).

5669849 is a wasteful number, since it uses less digits than its factorization.

5669849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138330.

The product of its digits is 466560, while the sum is 47.

The square root of 5669849 is about 2381.1444727273. The cubic root of 5669849 is about 178.3160756196.

The spelling of 5669849 in words is "five million, six hundred sixty-nine thousand, eight hundred forty-nine".