2293664 has 24 divisors (see below), whose sum is σ = 4549860. Its totient is φ = 1138176.

The previous prime is 2293649. The next prime is 2293673. The reversal of 2293664 is 4663922.

It can be written as a sum of positive squares in 2 ways, for example, as 2274064 + 19600 = 1508^2 + 140^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2293664.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7172 + ... + 7484.

2^2293664 is an apocalyptic number.

It is an amenable number.

2293664 is a deficient number, since it is larger than the sum of its proper divisors (2256196).

2293664 is a wasteful number, since it uses less digits than its factorization.

2293664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 544 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 2293664 is about 1514.4847308573. The cubic root of 2293664 is about 131.8792897087.

It can be divided in two parts, 229 and 3664, that multiplied together give a square (839056 = 916²).

The spelling of 2293664 in words is "two million, two hundred ninety-three thousand, six hundred sixty-four".