2240238 has 64 divisors (see below), whose sum is σ = 6031872. Its totient is φ = 535680.

The previous prime is 2240213. The next prime is 2240267. The reversal of 2240238 is 8320422.

2240238 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

2240238 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5820 + ... + 6192.

It is an arithmetic number, because the mean of its divisors is an integer number (94248).

2^2240238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2240238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3015936).

2240238 is an abundant number, since it is smaller than the sum of its proper divisors (3791634).

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

2240238 is a wasteful number, since it uses less digits than its factorization.

2240238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2240238 is about 1496.7424628172. The cubic root of 2240238 is about 130.8472862540.

The spelling of 2240238 in words is "two million, two hundred forty thousand, two hundred thirty-eight".