9280140 has 24 divisors (see below), whose sum is σ = 25984560. Its totient is φ = 2474688.

The previous prime is 9280123. The next prime is 9280163. The reversal of 9280140 is 410829.

It is a super-2 number, since 2×9280140² = 172241996839200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9280140.

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 7 ways as a sum of consecutive naturals, for example, 77275 + ... + 77394.

It is an arithmetic number, because the mean of its divisors is an integer number (1082690).

Almost surely, 2^9280140 is an apocalyptic number.

It is an amenable number.

9280140 is an abundant number, since it is smaller than the sum of its proper divisors (16704420).

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

9280140 is a wasteful number, since it uses less digits than its factorization.

9280140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154681 (or 154679 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 9280140 is about 3046.3322208846. The cubic root of 9280140 is about 210.1445716506.

Adding to 9280140 its reverse (410829), we get a palindrome (9690969).

The spelling of 9280140 in words is "nine million, two hundred eighty thousand, one hundred forty".