8460140 has 36 divisors (see below), whose sum is σ = 19245744. Its totient is φ = 3122496.

The previous prime is 8460119. The next prime is 8460143. The reversal of 8460140 is 410648.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8460143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2129 + ... + 4631.

It is an arithmetic number, because the mean of its divisors is an integer number (534604).

Almost surely, 2^8460140 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 8460140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9622872).

8460140 is an abundant number, since it is smaller than the sum of its proper divisors (10785604).

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

8460140 is a wasteful number, since it uses less digits than its factorization.

8460140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538 (or 2523 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8460140 is about 2908.6319808460. The cubic root of 8460140 is about 203.7632457797.

Adding to 8460140 its reverse (410648), we get a palindrome (8870788).

The spelling of 8460140 in words is "eight million, four hundred sixty thousand, one hundred forty".