2239236 has 18 divisors (see below), whose sum is σ = 5660382. Its totient is φ = 746400.

The previous prime is 2239231. The next prime is 2239247. The reversal of 2239236 is 6329322.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 799236 = 1200^2 + 894^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2239231) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 31065 + ... + 31136.

2^2239236 is an apocalyptic number.

It is an amenable number.

2239236 is an abundant number, since it is smaller than the sum of its proper divisors (3421146).

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

2239236 is a wasteful number, since it uses less digits than its factorization.

2239236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62211 (or 62206 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 2239236 is about 1496.4076984565. The cubic root of 2239236 is about 130.8277751526.

The spelling of 2239236 in words is "two million, two hundred thirty-nine thousand, two hundred thirty-six".