8408985 has 32 divisors (see below), whose sum is σ = 14999040. Its totient is φ = 3994368.

The previous prime is 8408971. The next prime is 8408989. The reversal of 8408985 is 5898048.

It is not a de Polignac number, because 8408985 - 2⁶ = 8408921 is a prime.

It is a super-2 number, since 2×8408985² = 141422057460450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8408989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4912 + ... + 6398.

It is an arithmetic number, because the mean of its divisors is an integer number (468720).

Almost surely, 2^8408985 is an apocalyptic number.

It is an amenable number.

8408985 is a deficient number, since it is larger than the sum of its proper divisors (6590055).

8408985 is a wasteful number, since it uses less digits than its factorization.

8408985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 8408985 is about 2899.8249947195. The cubic root of 8408985 is about 203.3517242764.

The spelling of 8408985 in words is "eight million, four hundred eight thousand, nine hundred eighty-five".