5706649 has 8 divisors (see below), whose sum is σ = 6357960. Its totient is φ = 5085696.

The previous prime is 5706647. The next prime is 5706653. The reversal of 5706649 is 9466075.

It can be written as a sum of positive squares in 4 ways, for example, as 384400 + 5322249 = 620^2 + 2307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5706649 - 2¹ = 5706647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5706641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7192 + ... + 7945.

It is an arithmetic number, because the mean of its divisors is an integer number (794745).

Almost surely, 2^5706649 is an apocalyptic number.

It is an amenable number.

5706649 is a deficient number, since it is larger than the sum of its proper divisors (651311).

5706649 is a wasteful number, since it uses less digits than its factorization.

5706649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15179.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 5706649 is about 2388.8593512386. The cubic root of 5706649 is about 178.7010291788.

The spelling of 5706649 in words is "five million, seven hundred six thousand, six hundred forty-nine".