961089 has 8 divisors (see below), whose sum is σ = 1325760. Its totient is φ = 618576.

The previous prime is 961087. The next prime is 961091. The reversal of 961089 is 980169.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (961087) and next prime (961091).

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

It is not a de Polignac number, because 961089 - 2¹ = 961087 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (961087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5437 + ... + 5610.

It is an arithmetic number, because the mean of its divisors is an integer number (165720).

2⁹⁶¹⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

961089 is a deficient number, since it is larger than the sum of its proper divisors (364671).

961089 is a wasteful number, since it uses less digits than its factorization.

961089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11079.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 961089 is about 980.3514675870. The cubic root of 961089 is about 98.6857703351.

The spelling of 961089 in words is "nine hundred sixty-one thousand, eighty-nine".