9240438 has 8 divisors (see below), whose sum is σ = 18480888. Its totient is φ = 3080144.

The previous prime is 9240433. The next prime is 9240461. The reversal of 9240438 is 8340429.

It is a happy number.

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

9240438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9240431) 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, 770031 + ... + 770042.

It is an arithmetic number, because the mean of its divisors is an integer number (2310111).

Almost surely, 2^9240438 is an apocalyptic number.

9240438 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.

9240438 is a wasteful number, since it uses less digits than its factorization.

9240438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540078.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 9240438 is about 3039.8088755710. The cubic root of 9240438 is about 209.8444653319.

Subtracting from 9240438 its reverse (8340429), we obtain a palindrome (900009).

The spelling of 9240438 in words is "nine million, two hundred forty thousand, four hundred thirty-eight".