2331138 has 32 divisors (see below), whose sum is σ = 4902912. Its totient is φ = 738000.

The previous prime is 2331127. The next prime is 2331139. The reversal of 2331138 is 8311332.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2331139) 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 15 ways as a sum of consecutive naturals, for example, 15363 + ... + 15513.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

2^2331138 is an apocalyptic number.

2331138 is an abundant number, since it is smaller than the sum of its proper divisors (2571774).

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

2331138 is a wasteful number, since it uses less digits than its factorization.

2331138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its digits is 432, while the sum is 21.

The square root of 2331138 is about 1526.8064710369. The cubic root of 2331138 is about 132.5936302731.

The spelling of 2331138 in words is "two million, three hundred thirty-one thousand, one hundred thirty-eight".