969091092 has 18 divisors (see below), whose sum is σ = 2449647018. Its totient is φ = 323030352.

The previous prime is 969091063. The next prime is 969091099. The reversal of 969091092 is 290190969.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 918453636 + 50637456 = 30306^2 + 7116^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969091099) 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, 13459563 + ... + 13459634.

It is an arithmetic number, because the mean of its divisors is an integer number (136091501).

Almost surely, 2^969091092 is an apocalyptic number.

It is an amenable number.

969091092 is an abundant number, since it is smaller than the sum of its proper divisors (1480555926).

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

969091092 is a wasteful number, since it uses less digits than its factorization.

969091092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26919207 (or 26919202 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 969091092 is about 31130.2279464831. The cubic root of 969091092 is about 989.5890182698.

The spelling of 969091092 in words is "nine hundred sixty-nine million, ninety-one thousand, ninety-two".