942240 has 96 divisors (see below), whose sum is σ = 3217536. Its totient is φ = 230400.

The previous prime is 942223. The next prime is 942247. The reversal of 942240 is 42249.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (942247) by changing a digit.

942240 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6165 + ... + 6315.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2⁹⁴²²⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 942240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608768).

942240 is an abundant number, since it is smaller than the sum of its proper divisors (2275296).

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

942240 is a wasteful number, since it uses less digits than its factorization.

942240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 174 counting only the distinct ones).

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

The square root of 942240 is about 970.6904758985. The cubic root of 942240 is about 98.0363602410.

Adding to 942240 its reverse (42249), we get a palindrome (984489).

The spelling of 942240 in words is "nine hundred forty-two thousand, two hundred forty".