8787240 has 192 divisors, whose sum is σ = 35717760. Its totient is φ = 1820160.

The previous prime is 8787227. The next prime is 8787263. The reversal of 8787240 is 427878.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8787195 and 8787204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27562 + ... + 27878.

It is an arithmetic number, because the mean of its divisors is an integer number (186030).

Almost surely, 2^8787240 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 8787240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17858880).

8787240 is an abundant number, since it is smaller than the sum of its proper divisors (26930520).

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

8787240 is a wasteful number, since it uses less digits than its factorization.

8787240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 8787240 is about 2964.3279170834. The cubic root of 8787240 is about 206.3561877441.

It can be divided in two parts, 878 and 7240, that added together give a palindrome (8118).

The spelling of 8787240 in words is "eight million, seven hundred eighty-seven thousand, two hundred forty".