992442 has 24 divisors (see below), whose sum is σ = 2183328. Its totient is φ = 300520.

The previous prime is 992441. The next prime is 992449. The reversal of 992442 is 244299.

It is a super-2 number, since 2×992442² = 1969882246728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (992441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43 + ... + 1409.

It is an arithmetic number, because the mean of its divisors is an integer number (90972).

2⁹⁹²⁴⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 992442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091664).

992442 is an abundant number, since it is smaller than the sum of its proper divisors (1190886).

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

992442 is a wasteful number, since it uses less digits than its factorization.

992442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1383 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 992442 is about 996.2138324677. The cubic root of 992442 is about 99.7474292841.

The spelling of 992442 in words is "nine hundred ninety-two thousand, four hundred forty-two".