969161984 has 54 divisors (see below), whose sum is σ = 2250410274. Its totient is φ = 415349760.

The previous prime is 969161983. The next prime is 969161989. The reversal of 969161984 is 489161969.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 907696384 + 61465600 = 30128^2 + 7840^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969161981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26087 + ... + 51174.

Almost surely, 2^969161984 is an apocalyptic number.

It is an amenable number.

969161984 is an abundant number, since it is smaller than the sum of its proper divisors (1281248290).

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

969161984 is an equidigital number, since it uses as much as digits as its factorization.

969161984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77291 (or 77270 counting only the distinct ones).

The product of its digits is 839808, while the sum is 53.

The square root of 969161984 is about 31131.3665617171. The cubic root of 969161984 is about 989.6131481769.

The spelling of 969161984 in words is "nine hundred sixty-nine million, one hundred sixty-one thousand, nine hundred eighty-four".