942040 has 32 divisors (see below), whose sum is σ = 2313360. Its totient is φ = 342400.

The previous prime is 942037. The next prime is 942041. The reversal of 942040 is 40249.

It is a junction number, because it is equal to n+sod(n) for n = 941999 and 942017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631 + ... + 1510.

2⁹⁴²⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

942040 is an abundant number, since it is smaller than the sum of its proper divisors (1371320).

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

942040 is a wasteful number, since it uses less digits than its factorization.

942040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 942040 is about 970.5874509801. The cubic root of 942040 is about 98.0294233461.

Adding to 942040 its reverse (40249), we get a palindrome (982289).

The spelling of 942040 in words is "nine hundred forty-two thousand, forty".