8961785 has 16 divisors (see below), whose sum is σ = 12410496. Its totient is φ = 6085248.

The previous prime is 8961779. The next prime is 8961791. The reversal of 8961785 is 5871698.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8961779) and next prime (8961791).

It is a cyclic number.

It is not a de Polignac number, because 8961785 - 2¹⁴ = 8945401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2549 + ... + 4941.

It is an arithmetic number, because the mean of its divisors is an integer number (775656).

Almost surely, 2^8961785 is an apocalyptic number.

It is an amenable number.

8961785 is a deficient number, since it is larger than the sum of its proper divisors (3448711).

8961785 is a wasteful number, since it uses less digits than its factorization.

8961785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512.

The product of its digits is 120960, while the sum is 44.

The square root of 8961785 is about 2993.6240578937. The cubic root of 8961785 is about 207.7135557207.

The spelling of 8961785 in words is "eight million, nine hundred sixty-one thousand, seven hundred eighty-five".