2320646 has 8 divisors (see below), whose sum is σ = 3489960. Its totient is φ = 1157328.

The previous prime is 2320639. The next prime is 2320649. The reversal of 2320646 is 6460232.

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

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (436245).

2^2320646 is an apocalyptic number.

2320646 is a deficient number, since it is larger than the sum of its proper divisors (1169314).

2320646 is a wasteful number, since it uses less digits than its factorization.

2320646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2320646 is about 1523.3666663020. The cubic root of 2320646 is about 132.3944050112.

Adding to 2320646 its reverse (6460232), we get a palindrome (8780878).

The spelling of 2320646 in words is "two million, three hundred twenty thousand, six hundred forty-six".