8861963 has 4 divisors (see below), whose sum is σ = 9667608. Its totient is φ = 8056320.

The previous prime is 8861929. The next prime is 8861987. The reversal of 8861963 is 3691688.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8861963 - 2⁸ = 8861707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8861963.

It is not an unprimeable number, because it can be changed into a prime (8861903) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 402806 + ... + 402827.

It is an arithmetic number, because the mean of its divisors is an integer number (2416902).

Almost surely, 2^8861963 is an apocalyptic number.

8861963 is a deficient number, since it is larger than the sum of its proper divisors (805645).

8861963 is a wasteful number, since it uses less digits than its factorization.

8861963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805644.

The product of its digits is 62208, while the sum is 41.

The square root of 8861963 is about 2976.9049363391. The cubic root of 8861963 is about 206.9394596854.

The spelling of 8861963 in words is "eight million, eight hundred sixty-one thousand, nine hundred sixty-three".