8450685 has 12 divisors (see below), whose sum is σ = 14647932. Its totient is φ = 4507008.

The previous prime is 8450681. The next prime is 8450713. The reversal of 8450685 is 5860548.

It is a happy number.

8450685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3059001 + 5391684 = 1749^2 + 2322^2 .

It is not a de Polignac number, because 8450685 - 2² = 8450681 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8450681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93852 + ... + 93941.

It is an arithmetic number, because the mean of its divisors is an integer number (1220661).

Almost surely, 2^8450685 is an apocalyptic number.

It is an amenable number.

8450685 is a deficient number, since it is larger than the sum of its proper divisors (6197247).

8450685 is a wasteful number, since it uses less digits than its factorization.

8450685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187804 (or 187801 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 8450685 is about 2907.0061919439. The cubic root of 8450685 is about 203.6873093040.

Subtracting from 8450685 its sum of digits (36), we obtain a square (8450649 = 2907²).

The spelling of 8450685 in words is "eight million, four hundred fifty thousand, six hundred eighty-five".