8434705 has 16 divisors (see below), whose sum is σ = 10506240. Its totient is φ = 6495552.

The previous prime is 8434693. The next prime is 8434733. The reversal of 8434705 is 5074348.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8434705 is a prime.

It is a super-2 number, since 2×8434705² = 142288496874050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23316 + ... + 23674.

It is an arithmetic number, because the mean of its divisors is an integer number (656640).

Almost surely, 2^8434705 is an apocalyptic number.

It is an amenable number.

8434705 is a deficient number, since it is larger than the sum of its proper divisors (2071535).

8434705 is a wasteful number, since it uses less digits than its factorization.

8434705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 8434705 is about 2904.2563592080. The cubic root of 8434705 is about 203.5588393628.

The spelling of 8434705 in words is "eight million, four hundred thirty-four thousand, seven hundred five".