969306861 has 4 divisors (see below), whose sum is σ = 1292409152. Its totient is φ = 646204572.

The previous prime is 969306857. The next prime is 969306883. The reversal of 969306861 is 168603969.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 168603969 = 3 ⋅56201323.

It is not a de Polignac number, because 969306861 - 2² = 969306857 is a prime.

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 969306861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969306841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161551141 + ... + 161551146.

It is an arithmetic number, because the mean of its divisors is an integer number (323102288).

Almost surely, 2^969306861 is an apocalyptic number.

It is an amenable number.

969306861 is a deficient number, since it is larger than the sum of its proper divisors (323102291).

969306861 is a wasteful number, since it uses less digits than its factorization.

969306861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323102290.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 969306861 is about 31133.6933401741. The cubic root of 969306861 is about 989.6624571135.

The spelling of 969306861 in words is "nine hundred sixty-nine million, three hundred six thousand, eight hundred sixty-one".