1240338 has 16 divisors (see below), whose sum is σ = 2706336. Its totient is φ = 375840.

The previous prime is 1240333. The next prime is 1240361. The reversal of 1240338 is 8330421.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1240333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9331 + ... + 9462.

It is an arithmetic number, because the mean of its divisors is an integer number (169146).

2^1240338 is an apocalyptic number.

1240338 is an abundant number, since it is smaller than the sum of its proper divisors (1465998).

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

1240338 is a wasteful number, since it uses less digits than its factorization.

1240338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18809.

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

The square root of 1240338 is about 1113.7046287055. The cubic root of 1240338 is about 107.4434676618.

Adding to 1240338 its reverse (8330421), we get a palindrome (9570759).

The spelling of 1240338 in words is "one million, two hundred forty thousand, three hundred thirty-eight".