8700940 has 48 divisors (see below), whose sum is σ = 19589472. Its totient is φ = 3234816.

The previous prime is 8700931. The next prime is 8700941. The reversal of 8700940 is 490078.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8700899 and 8700908.

It is not an unprimeable number, because it can be changed into a prime (8700941) 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 15 ways as a sum of consecutive naturals, for example, 53299 + ... + 53461.

It is an arithmetic number, because the mean of its divisors is an integer number (408114).

Almost surely, 2^8700940 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 8700940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9794736).

8700940 is an abundant number, since it is smaller than the sum of its proper divisors (10888532).

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

8700940 is a wasteful number, since it uses less digits than its factorization.

8700940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 8700940 is about 2949.7355813700. The cubic root of 8700940 is about 205.6784186623.

The spelling of 8700940 in words is "eight million, seven hundred thousand, nine hundred forty".