992143420 has 24 divisors (see below), whose sum is σ = 2134320048. Its totient is φ = 387177600.

The previous prime is 992143403. The next prime is 992143423. The reversal of 992143420 is 24341299.

992143420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992143423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604146 + ... + 605785.

It is an arithmetic number, because the mean of its divisors is an integer number (88930002).

Almost surely, 2^992143420 is an apocalyptic number.

It is an amenable number.

992143420 is an abundant number, since it is smaller than the sum of its proper divisors (1142176628).

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

992143420 is a wasteful number, since it uses less digits than its factorization.

992143420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209981 (or 1209979 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 992143420 is about 31498.3082085372. The cubic root of 992143420 is about 997.3742514792.

The spelling of 992143420 in words is "nine hundred ninety-two million, one hundred forty-three thousand, four hundred twenty".