992240 has 40 divisors (see below), whose sum is σ = 2351040. Its totient is φ = 389376.

The previous prime is 992231. The next prime is 992249. The reversal of 992240 is 42299.

It is an interprime number because it is at equal distance from previous prime (992231) and next prime (992249).

It is a tau number, because it is divible by the number of its divisors (40).

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 992240.

It is not an unprimeable number, because it can be changed into a prime (992249) 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, 6242 + ... + 6398.

It is an arithmetic number, because the mean of its divisors is an integer number (58776).

2⁹⁹²²⁴⁰ 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 992240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175520).

992240 is an abundant number, since it is smaller than the sum of its proper divisors (1358800).

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

992240 is a wasteful number, since it uses less digits than its factorization.

992240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 243 counting only the distinct ones).

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

The square root of 992240 is about 996.1124434520. The cubic root of 992240 is about 99.7406613494.

The spelling of 992240 in words is "nine hundred ninety-two thousand, two hundred forty".