8961765 has 8 divisors (see below), whose sum is σ = 14338848. Its totient is φ = 4779600.

The previous prime is 8961763. The next prime is 8961767. The reversal of 8961765 is 5671698.

It is an interprime number because it is at equal distance from previous prime (8961763) and next prime (8961767).

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

It is not a de Polignac number, because 8961765 - 2¹ = 8961763 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8961763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298711 + ... + 298740.

It is an arithmetic number, because the mean of its divisors is an integer number (1792356).

Almost surely, 2^8961765 is an apocalyptic number.

It is an amenable number.

8961765 is a deficient number, since it is larger than the sum of its proper divisors (5377083).

8961765 is a wasteful number, since it uses less digits than its factorization.

8961765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597459.

The product of its digits is 90720, while the sum is 42.

The square root of 8961765 is about 2993.6207174590. The cubic root of 8961765 is about 207.7134012026.

The spelling of 8961765 in words is "eight million, nine hundred sixty-one thousand, seven hundred sixty-five".