8705690 has 16 divisors (see below), whose sum is σ = 17908992. Its totient is φ = 2984784.

The previous prime is 8705689. The next prime is 8705729. The reversal of 8705690 is 965078.

It is a super-2 number, since 2×8705690² = 151578076752200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 8705690.

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 7 ways as a sum of consecutive naturals, for example, 62114 + ... + 62253.

It is an arithmetic number, because the mean of its divisors is an integer number (1119312).

Almost surely, 2^8705690 is an apocalyptic number.

8705690 is an abundant number, since it is smaller than the sum of its proper divisors (9203302).

8705690 is a wasteful number, since it uses less digits than its factorization.

8705690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124381.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 8705690 is about 2950.5406284273. The cubic root of 8705690 is about 205.7158397057.

The spelling of 8705690 in words is "eight million, seven hundred five thousand, six hundred ninety".