5729809 has 8 divisors (see below), whose sum is σ = 5829120. Its totient is φ = 5631600.

The previous prime is 5729797. The next prime is 5729821. The reversal of 5729809 is 9089275.

It is an interprime number because it is at equal distance from previous prime (5729797) and next prime (5729821).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5729809 is a prime.

It is a super-2 number, since 2×5729809² = 65661422352962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5729839) 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, 24907 + ... + 25135.

It is an arithmetic number, because the mean of its divisors is an integer number (728640).

Almost surely, 2^5729809 is an apocalyptic number.

It is an amenable number.

5729809 is a deficient number, since it is larger than the sum of its proper divisors (99311).

5729809 is a wasteful number, since it uses less digits than its factorization.

5729809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 5729809 is about 2393.7019446873. The cubic root of 5729809 is about 178.9424510441.

The spelling of 5729809 in words is "five million, seven hundred twenty-nine thousand, eight hundred nine".