8783985 has 96 divisors (see below), whose sum is σ = 18714240. Its totient is φ = 3483648.

The previous prime is 8783969. The next prime is 8783987. The reversal of 8783985 is 5893878.

It is a happy number.

It is not a de Polignac number, because 8783985 - 2⁴ = 8783969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8783987) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 237387 + ... + 237423.

It is an arithmetic number, because the mean of its divisors is an integer number (194940).

Almost surely, 2^8783985 is an apocalyptic number.

8783985 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8783985 is an abundant number, since it is smaller than the sum of its proper divisors (9930255).

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

8783985 is a wasteful number, since it uses less digits than its factorization.

8783985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 88 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 8783985 is about 2963.7788379027. The cubic root of 8783985 is about 206.3307048718.

The spelling of 8783985 in words is "eight million, seven hundred eighty-three thousand, nine hundred eighty-five".