5736809 has 8 divisors (see below), whose sum is σ = 6391560. Its totient is φ = 5112576.

The previous prime is 5736793. The next prime is 5736823. The reversal of 5736809 is 9086375.

It can be written as a sum of positive squares in 4 ways, for example, as 896809 + 4840000 = 947^2 + 2200^2 .

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 5736809 - 2⁴ = 5736793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5736839) 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, 7232 + ... + 7985.

It is an arithmetic number, because the mean of its divisors is an integer number (798945).

Almost surely, 2^5736809 is an apocalyptic number.

It is an amenable number.

5736809 is a deficient number, since it is larger than the sum of its proper divisors (654751).

5736809 is a wasteful number, since it uses less digits than its factorization.

5736809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15259.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 5736809 is about 2395.1636687291. The cubic root of 5736809 is about 179.0152915996.

The spelling of 5736809 in words is "five million, seven hundred thirty-six thousand, eight hundred nine".