9144420 has 24 divisors (see below), whose sum is σ = 25604544. Its totient is φ = 2438496.

The previous prime is 9144413. The next prime is 9144427. The reversal of 9144420 is 244419.

It is an interprime number because it is at equal distance from previous prime (9144413) and next prime (9144427).

It is not an unprimeable number, because it can be changed into a prime (9144427) 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, 76144 + ... + 76263.

It is an arithmetic number, because the mean of its divisors is an integer number (1066856).

Almost surely, 2^9144420 is an apocalyptic number.

It is an amenable number.

9144420 is an abundant number, since it is smaller than the sum of its proper divisors (16460124).

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

9144420 is a wasteful number, since it uses less digits than its factorization.

9144420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152419 (or 152417 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 9144420 is about 3023.9742062392. The cubic root of 9144420 is about 209.1150972762.

Adding to 9144420 its reverse (244419), we get a palindrome (9388839).

The spelling of 9144420 in words is "nine million, one hundred forty-four thousand, four hundred twenty".