2239965 has 48 divisors (see below), whose sum is σ = 4787328. Its totient is φ = 943488.

The previous prime is 2239961. The next prime is 2239987. The reversal of 2239965 is 5699322.

2239965 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2239965 - 2² = 2239961 is a prime.

2239965 is strictly pandigital in base 8.

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3822 + ... + 4368.

It is an arithmetic number, because the mean of its divisors is an integer number (99736).

2^2239965 is an apocalyptic number.

It is an amenable number.

2239965 is an abundant number, since it is smaller than the sum of its proper divisors (2547363).

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

2239965 is a wasteful number, since it uses less digits than its factorization.

2239965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 575 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 2239965 is about 1496.6512619846. The cubic root of 2239965 is about 130.8419709318.

The spelling of 2239965 in words is "two million, two hundred thirty-nine thousand, nine hundred sixty-five".