8961822 has 24 divisors (see below), whose sum is σ = 20560176. Its totient is φ = 2811456.

The previous prime is 8961811. The next prime is 8961851. The reversal of 8961822 is 2281698.

8961822 = 329² + 330² + ... + 396².

It is a super-3 number, since 3×8961822³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14338 + ... + 14949.

It is an arithmetic number, because the mean of its divisors is an integer number (856674).

Almost surely, 2^8961822 is an apocalyptic number.

8961822 is an abundant number, since it is smaller than the sum of its proper divisors (11598354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8961822 is a wasteful number, since it uses less digits than its factorization.

8961822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29312 (or 29309 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 8961822 is about 2993.6302376880. The cubic root of 8961822 is about 207.7138415786.

The spelling of 8961822 in words is "eight million, nine hundred sixty-one thousand, eight hundred twenty-two".