2239657 has 8 divisors (see below), whose sum is σ = 2642432. Its totient is φ = 1857600.

The previous prime is 2239651. The next prime is 2239667. The reversal of 2239657 is 7569322.

It is a happy number.

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 2239657 - 2³ = 2239649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239651) 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, 4944 + ... + 5377.

It is an arithmetic number, because the mean of its divisors is an integer number (330304).

2^2239657 is an apocalyptic number.

It is an amenable number.

2239657 is a deficient number, since it is larger than the sum of its proper divisors (402775).

2239657 is a wasteful number, since it uses less digits than its factorization.

2239657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10359.

The product of its digits is 22680, while the sum is 34.

The square root of 2239657 is about 1496.5483620652. The cubic root of 2239657 is about 130.8359736396.

The spelling of 2239657 in words is "two million, two hundred thirty-nine thousand, six hundred fifty-seven".