9143420 has 96 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 2914560.

The previous prime is 9143411. The next prime is 9143437. The reversal of 9143420 is 243419.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 65711 + ... + 65849.

It is an arithmetic number, because the mean of its divisors is an integer number (246960).

Almost surely, 2^9143420 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 9143420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11854080).

9143420 is an abundant number, since it is smaller than the sum of its proper divisors (14564740).

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

9143420 is a wasteful number, since it uses less digits than its factorization.

9143420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 9143420 is about 3023.8088563929. The cubic root of 9143420 is about 209.1074743134.

Adding to 9143420 its reverse (243419), we get a palindrome (9386839).

It can be divided in two parts, 914 and 3420, that added together give a palindrome (4334).

The spelling of 9143420 in words is "nine million, one hundred forty-three thousand, four hundred twenty".