8985690 has 96 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 1930752.

The previous prime is 8985677. The next prime is 8985719. The reversal of 8985690 is 965898.

8985690 is a `hidden beast` number, since 89 + 8 + 569 + 0 = 666.

It is a super-2 number, since 2×8985690² = 161485249552200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between even and odd.

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, 10291 + ... + 11129.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 2^8985690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8985690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14152320).

8985690 is an abundant number, since it is smaller than the sum of its proper divisors (19318950).

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

8985690 is a wasteful number, since it uses less digits than its factorization.

8985690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 8985690 is about 2997.6140512081. The cubic root of 8985690 is about 207.8980793813.

The spelling of 8985690 in words is "eight million, nine hundred eighty-five thousand, six hundred ninety".