961189862 has 16 divisors (see below), whose sum is σ = 1492238160. Its totient is φ = 463793568.

The previous prime is 961189861. The next prime is 961189897. The reversal of 961189862 is 268981169.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 961189862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961189861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211013 + ... + 215519.

It is an arithmetic number, because the mean of its divisors is an integer number (93264885).

Almost surely, 2^961189862 is an apocalyptic number.

961189862 is a deficient number, since it is larger than the sum of its proper divisors (531048298).

961189862 is a wasteful number, since it uses less digits than its factorization.

961189862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8215.

The product of its digits is 373248, while the sum is 50.

The square root of 961189862 is about 31003.0621390856. The cubic root of 961189862 is about 986.8922242470.

The spelling of 961189862 in words is "nine hundred sixty-one million, one hundred eighty-nine thousand, eight hundred sixty-two".