2318238 has 24 divisors (see below), whose sum is σ = 5409768. Its totient is φ = 713232.

The previous prime is 2318237. The next prime is 2318249. The reversal of 2318238 is 8328132.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4720 + ... + 5187.

It is an arithmetic number, because the mean of its divisors is an integer number (225407).

2^2318238 is an apocalyptic number.

2318238 is an abundant number, since it is smaller than the sum of its proper divisors (3091530).

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

2318238 is a wasteful number, since it uses less digits than its factorization.

2318238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9928 (or 9925 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2318238 is about 1522.5761064722. The cubic root of 2318238 is about 132.3485964935.

It can be divided in two parts, 23182 and 38, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 2318238 in words is "two million, three hundred eighteen thousand, two hundred thirty-eight".