8460240 has 40 divisors (see below), whose sum is σ = 26227488. Its totient is φ = 2256000.

The previous prime is 8460239. The next prime is 8460247. The reversal of 8460240 is 420648.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 8460240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8460247) 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, 17386 + ... + 17865.

Almost surely, 2^8460240 is an apocalyptic number.

8460240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8460240 is an abundant number, since it is smaller than the sum of its proper divisors (17767248).

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

8460240 is a wasteful number, since it uses less digits than its factorization.

8460240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35267 (or 35261 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 8460240 is about 2908.6491710071. The cubic root of 8460240 is about 203.7640486129.

Adding to 8460240 its reverse (420648), we get a palindrome (8880888).

The spelling of 8460240 in words is "eight million, four hundred sixty thousand, two hundred forty".