8961582 has 32 divisors (see below), whose sum is σ = 21376512. Its totient is φ = 2448864.

The previous prime is 8961527. The next prime is 8961583. The reversal of 8961582 is 2851698.

8961582 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

8961582 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 8961582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8961583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3673 + ... + 5604.

It is an arithmetic number, because the mean of its divisors is an integer number (668016).

Almost surely, 2^8961582 is an apocalyptic number.

8961582 is an abundant number, since it is smaller than the sum of its proper divisors (12414930).

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

8961582 is a wasteful number, since it uses less digits than its factorization.

8961582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9312.

The product of its digits is 34560, while the sum is 39.

The square root of 8961582 is about 2993.5901523088. The cubic root of 8961582 is about 207.7119873512.

The spelling of 8961582 in words is "eight million, nine hundred sixty-one thousand, five hundred eighty-two".