955984561 has 15 divisors (see below), whose sum is σ = 1117019193. Its totient is φ = 818116740.

The previous prime is 955984537. The next prime is 955984573. The reversal of 955984561 is 165489559.

The square root of 955984561 is 30919.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 955984561 - 2⁵ = 955984529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 955984499 and 955984508.

It is not an unprimeable number, because it can be changed into a prime (955984501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1514716 + ... + 1515346.

Almost surely, 2^955984561 is an apocalyptic number.

955984561 is the 30919-th square number.

955984561 is the 15460-th centered octagonal number.

It is an amenable number.

955984561 is a deficient number, since it is larger than the sum of its proper divisors (161034632).

955984561 is an frugal number, since it uses more digits than its factorization.

955984561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 638 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 52.

The cubic root of 955984561 is about 985.1075014727.

The spelling of 955984561 in words is "nine hundred fifty-five million, nine hundred eighty-four thousand, five hundred sixty-one".