992438 has 16 divisors (see below), whose sum is σ = 1568160. Its totient is φ = 470400.

The previous prime is 992437. The next prime is 992441. The reversal of 992438 is 834299.

It is a junction number, because it is equal to n+sod(n) for n = 992398 and 992407.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 992438.

It is not an unprimeable number, because it can be changed into a prime (992437) 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 7 ways as a sum of consecutive naturals, for example, 3998 + ... + 4238.

It is an arithmetic number, because the mean of its divisors is an integer number (98010).

2⁹⁹²⁴³⁸ is an apocalyptic number.

992438 is a deficient number, since it is larger than the sum of its proper divisors (575722).

992438 is a wasteful number, since it uses less digits than its factorization.

992438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its digits is 15552, while the sum is 35.

The square root of 992438 is about 996.2118248646. The cubic root of 992438 is about 99.7472952745.

The spelling of 992438 in words is "nine hundred ninety-two thousand, four hundred thirty-eight".