969577 has 4 divisors (see below), whose sum is σ = 1108096. Its totient is φ = 831060.

The previous prime is 969569. The next prime is 969593. The reversal of 969577 is 775969.

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: 775969 = 673 ⋅1153.

It is a cyclic number.

It is not a de Polignac number, because 969577 - 2³ = 969569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (969377) 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, 69249 + ... + 69262.

It is an arithmetic number, because the mean of its divisors is an integer number (277024).

2⁹⁶⁹⁵⁷⁷ is an apocalyptic number.

969577 is the 569-th hex number.

It is an amenable number.

969577 is a deficient number, since it is larger than the sum of its proper divisors (138519).

969577 is a wasteful number, since it uses less digits than its factorization.

969577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138518.

The product of its digits is 119070, while the sum is 43.

The square root of 969577 is about 984.6710110489. The cubic root of 969577 is about 98.9754385895.

The spelling of 969577 in words is "nine hundred sixty-nine thousand, five hundred seventy-seven".