2238378 has 8 divisors (see below), whose sum is σ = 4476768. Its totient is φ = 746124.

The previous prime is 2238377. The next prime is 2238391. The reversal of 2238378 is 8738322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2238378 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2238377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186526 + ... + 186537.

It is an arithmetic number, because the mean of its divisors is an integer number (559596).

2^2238378 is an apocalyptic number.

2238378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2238378 is a wasteful number, since it uses less digits than its factorization.

2238378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373068.

The product of its digits is 16128, while the sum is 33.

The square root of 2238378 is about 1496.1209844127. The cubic root of 2238378 is about 130.8110634153.

The spelling of 2238378 in words is "two million, two hundred thirty-eight thousand, three hundred seventy-eight".