4321140 has 24 divisors (see below), whose sum is σ = 12099360. Its totient is φ = 1152288.

The previous prime is 4321139. The next prime is 4321157. The reversal of 4321140 is 411234.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35950 + ... + 36069.

It is an arithmetic number, because the mean of its divisors is an integer number (504140).

Almost surely, 2^4321140 is an apocalyptic number.

It is an amenable number.

4321140 is an abundant number, since it is smaller than the sum of its proper divisors (7778220).

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

4321140 is a wasteful number, since it uses less digits than its factorization.

4321140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72031 (or 72029 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4321140 is about 2078.7351923706. The cubic root of 4321140 is about 162.8793818287.

Adding to 4321140 its reverse (411234), we get a palindrome (4732374).

The spelling of 4321140 in words is "four million, three hundred twenty-one thousand, one hundred forty".