942400 has 84 divisors (see below), whose sum is σ = 2519680. Its totient is φ = 345600.

The previous prime is 942371. The next prime is 942401. The reversal of 942400 is 4249.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942401) by changing a digit.

942400 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 11 ways as a sum of consecutive naturals, for example, 30385 + ... + 30415.

2⁹⁴²⁴⁰⁰ 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 942400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259840).

942400 is an abundant number, since it is smaller than the sum of its proper divisors (1577280).

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

942400 is a wasteful number, since it uses less digits than its factorization.

942400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 57 counting only the distinct ones).

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

The square root of 942400 is about 970.7728879609. The cubic root of 942400 is about 98.0419090502.

Adding to 942400 its reverse (4249), we get a palindrome (946649).

The spelling of 942400 in words is "nine hundred forty-two thousand, four hundred".