8490705 has 8 divisors (see below), whose sum is σ = 13585152. Its totient is φ = 4528368.

The previous prime is 8490673. The next prime is 8490721. The reversal of 8490705 is 5070948.

8490705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8490705 - 2⁵ = 8490673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283009 + ... + 283038.

It is an arithmetic number, because the mean of its divisors is an integer number (1698144).

Almost surely, 2^8490705 is an apocalyptic number.

It is an amenable number.

8490705 is a deficient number, since it is larger than the sum of its proper divisors (5094447).

8490705 is a wasteful number, since it uses less digits than its factorization.

8490705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566055.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 8490705 is about 2913.8814320421. The cubic root of 8490705 is about 204.0083377984.

The spelling of 8490705 in words is "eight million, four hundred ninety thousand, seven hundred five".