842994 has 32 divisors (see below), whose sum is σ = 1909440. Its totient is φ = 275616.

The previous prime is 842993. The next prime is 843043. The reversal of 842994 is 499248.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3502 + ... + 3734.

It is an arithmetic number, because the mean of its divisors is an integer number (59670).

2⁸⁴²⁹⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 842994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954720).

842994 is an abundant number, since it is smaller than the sum of its proper divisors (1066446).

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

842994 is a wasteful number, since it uses less digits than its factorization.

842994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 305 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 842994 is about 918.1470470464. The cubic root of 842994 is about 94.4658480774.

The spelling of 842994 in words is "eight hundred forty-two thousand, nine hundred ninety-four".