992420 has 48 divisors (see below), whose sum is σ = 2455488. Its totient is φ = 332160.

The previous prime is 992417. The next prime is 992429. The reversal of 992420 is 24299.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 992420.

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 992420.

It is not an unprimeable number, because it can be changed into a prime (992429) 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, 2687 + ... + 3033.

It is an arithmetic number, because the mean of its divisors is an integer number (51156).

2⁹⁹²⁴²⁰ 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 992420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227744).

992420 is an abundant number, since it is smaller than the sum of its proper divisors (1463068).

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

992420 is a wasteful number, since it uses less digits than its factorization.

992420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 992420 is about 996.2027906004. The cubic root of 992420 is about 99.7466922268.

It can be divided in two parts, 9 and 92420, that added together give a palindrome (92429).

The spelling of 992420 in words is "nine hundred ninety-two thousand, four hundred twenty".