5697209 has 8 divisors (see below), whose sum is σ = 6534528. Its totient is φ = 4865760.

The previous prime is 5697191. The next prime is 5697221. The reversal of 5697209 is 9027965.

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 5697209 - 2⁸ = 5696953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5697269) 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, 869 + ... + 3485.

It is an arithmetic number, because the mean of its divisors is an integer number (816816).

Almost surely, 2^5697209 is an apocalyptic number.

It is an amenable number.

5697209 is a deficient number, since it is larger than the sum of its proper divisors (837319).

5697209 is a wasteful number, since it uses less digits than its factorization.

5697209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 5697209 is about 2386.8826950648. The cubic root of 5697209 is about 178.6024384090.

The spelling of 5697209 in words is "five million, six hundred ninety-seven thousand, two hundred nine".