961692389 has 24 divisors (see below), whose sum is σ = 1138105728. Its totient is φ = 795820320.

The previous prime is 961692383. The next prime is 961692401. The reversal of 961692389 is 983296169.

It is not a de Polignac number, because 961692389 - 2²⁰ = 960643813 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 961692389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961692383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1486064 + ... + 1486710.

It is an arithmetic number, because the mean of its divisors is an integer number (47421072).

Almost surely, 2^961692389 is an apocalyptic number.

It is an amenable number.

961692389 is a deficient number, since it is larger than the sum of its proper divisors (176413339).

961692389 is an equidigital number, since it uses as much as digits as its factorization.

961692389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 774 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 53.

The square root of 961692389 is about 31011.1655537163. The cubic root of 961692389 is about 987.0641824989.

The spelling of 961692389 in words is "nine hundred sixty-one million, six hundred ninety-two thousand, three hundred eighty-nine".