5646657 has 8 divisors (see below), whose sum is σ = 7571200. Its totient is φ = 3743280.

The previous prime is 5646649. The next prime is 5646659. The reversal of 5646657 is 7566465.

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

It is not a de Polignac number, because 5646657 - 2³ = 5646649 is a prime.

It is a Duffinian number.

5646657 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5646659) 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, 4657 + ... + 5742.

It is an arithmetic number, because the mean of its divisors is an integer number (946400).

Almost surely, 2^5646657 is an apocalyptic number.

It is an amenable number.

5646657 is a deficient number, since it is larger than the sum of its proper divisors (1924543).

5646657 is a wasteful number, since it uses less digits than its factorization.

5646657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583.

The product of its digits is 151200, while the sum is 39.

The square root of 5646657 is about 2376.2695554166. The cubic root of 5646657 is about 178.0726148201.

The spelling of 5646657 in words is "five million, six hundred forty-six thousand, six hundred fifty-seven".