8790240 has 48 divisors (see below), whose sum is σ = 27690768. Its totient is φ = 2343936.

The previous prime is 8790227. The next prime is 8790247. The reversal of 8790240 is 420978.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8790198 and 8790207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8790247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8677 + ... + 9636.

It is an arithmetic number, because the mean of its divisors is an integer number (576891).

Almost surely, 2^8790240 is an apocalyptic number.

8790240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8790240 is an abundant number, since it is smaller than the sum of its proper divisors (18900528).

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

8790240 is a wasteful number, since it uses less digits than its factorization.

8790240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18331 (or 18323 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 8790240 is about 2964.8338907939. The cubic root of 8790240 is about 206.3796686902.

The spelling of 8790240 in words is "eight million, seven hundred ninety thousand, two hundred forty".