2331664 has 20 divisors (see below), whose sum is σ = 4593580. Its totient is φ = 1146240.

The previous prime is 2331653. The next prime is 2331677. The reversal of 2331664 is 4661332.

It can be written as a sum of positive squares in 2 ways, for example, as 258064 + 2073600 = 508^2 + 1440^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219 + ... + 2170.

It is an arithmetic number, because the mean of its divisors is an integer number (229679).

2^2331664 is an apocalyptic number.

It is an amenable number.

2331664 is a deficient number, since it is larger than the sum of its proper divisors (2261916).

2331664 is a wasteful number, since it uses less digits than its factorization.

2331664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458 (or 2452 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 2331664 is about 1526.9787162891. The cubic root of 2331664 is about 132.6036023703.

Adding to 2331664 its reverse (4661332), we get a palindrome (6992996).

The spelling of 2331664 in words is "two million, three hundred thirty-one thousand, six hundred sixty-four".