2303664 has 40 divisors (see below), whose sum is σ = 6493632. Its totient is φ = 697920.

The previous prime is 2303663. The next prime is 2303669. The reversal of 2303664 is 4663032.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2303663) 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, 1654 + ... + 2709.

2^2303664 is an apocalyptic number.

2303664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2303664 is an abundant number, since it is smaller than the sum of its proper divisors (4189968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2303664 is a wasteful number, since it uses less digits than its factorization.

2303664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385 (or 4379 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 2303664 is about 1517.7825931272. The cubic root of 2303664 is about 132.0706692296.

Adding to 2303664 its reverse (4663032), we get a palindrome (6966696).

The spelling of 2303664 in words is "two million, three hundred three thousand, six hundred sixty-four".