8457085 has 16 divisors (see below), whose sum is σ = 12491136. Its totient is φ = 5352768.

The previous prime is 8457073. The next prime is 8457103. The reversal of 8457085 is 5807548.

It is a cyclic number.

It is not a de Polignac number, because 8457085 - 2⁹ = 8456573 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8839 + ... + 9748.

It is an arithmetic number, because the mean of its divisors is an integer number (780696).

Almost surely, 2^8457085 is an apocalyptic number.

It is an amenable number.

8457085 is a deficient number, since it is larger than the sum of its proper divisors (4034051).

8457085 is a wasteful number, since it uses less digits than its factorization.

8457085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18612.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 8457085 is about 2908.1067724552. The cubic root of 8457085 is about 203.7387161754.

The spelling of 8457085 in words is "eight million, four hundred fifty-seven thousand, eighty-five".