2304138 has 32 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 732672.

The previous prime is 2304103. The next prime is 2304139. The reversal of 2304138 is 8314032.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2304139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21481 + ... + 21587.

It is an arithmetic number, because the mean of its divisors is an integer number (150822).

2^2304138 is an apocalyptic number.

2304138 is an abundant number, since it is smaller than the sum of its proper divisors (2522166).

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

2304138 is a wasteful number, since it uses less digits than its factorization.

2304138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2304138 is about 1517.9387339415. The cubic root of 2304138 is about 132.0797268589.

It can be divided in two parts, 2304 and 138, that added together give a palindrome (2442).

The spelling of 2304138 in words is "two million, three hundred four thousand, one hundred thirty-eight".