2239616 has 16 divisors (see below), whose sum is σ = 4461990. Its totient is φ = 1119744.

The previous prime is 2239607. The next prime is 2239639. The reversal of 2239616 is 6169322.

It can be written as a sum of positive squares in only one way, i.e., 2238016 + 1600 = 1496^2 + 40^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8621 + ... + 8876.

2^2239616 is an apocalyptic number.

It is an amenable number.

2239616 is a deficient number, since it is larger than the sum of its proper divisors (2222374).

2239616 is an equidigital number, since it uses as much as digits as its factorization.

2239616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17511 (or 17499 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 2239616 is about 1496.5346638150. The cubic root of 2239616 is about 130.8351752573.

The spelling of 2239616 in words is "two million, two hundred thirty-nine thousand, six hundred sixteen".