9143992 has 32 divisors (see below), whose sum is σ = 20144880. Its totient is φ = 3836160.

The previous prime is 9143987. The next prime is 9143999. The reversal of 9143992 is 2993419.

9143992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9143992² = 167225179392128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9143999) 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, 2853 + ... + 5140.

Almost surely, 2^9143992 is an apocalyptic number.

It is an amenable number.

9143992 is an abundant number, since it is smaller than the sum of its proper divisors (11000888).

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

9143992 is a wasteful number, since it uses less digits than its factorization.

9143992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023 (or 8019 counting only the distinct ones).

The product of its digits is 17496, while the sum is 37.

The square root of 9143992 is about 3023.9034376117. The cubic root of 9143992 is about 209.1118347162. Note that the first 3 decimals are identical.

The spelling of 9143992 in words is "nine million, one hundred forty-three thousand, nine hundred ninety-two".