5709649 has 8 divisors (see below), whose sum is σ = 6252480. Its totient is φ = 5170800.

The previous prime is 5709647. The next prime is 5709659. The reversal of 5709649 is 9469075.

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 5709649 - 2¹ = 5709647 is a prime.

It is a Duffinian number.

5709649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5709643) 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 7 ways as a sum of consecutive naturals, for example, 2587 + ... + 4255.

It is an arithmetic number, because the mean of its divisors is an integer number (781560).

Almost surely, 2^5709649 is an apocalyptic number.

It is an amenable number.

5709649 is a deficient number, since it is larger than the sum of its proper divisors (542831).

5709649 is a wasteful number, since it uses less digits than its factorization.

5709649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 5709649 is about 2389.4871834768. The cubic root of 5709649 is about 178.7323382227.

The spelling of 5709649 in words is "five million, seven hundred nine thousand, six hundred forty-nine".