955663 has 4 divisors (see below), whose sum is σ = 967840. Its totient is φ = 943488.

The previous prime is 955657. The next prime is 955693. The reversal of 955663 is 366559.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366559 = 37 ⋅9907.

It is a cyclic number.

It is not a de Polignac number, because 955663 - 2¹⁷ = 824591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (955613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5970 + ... + 6127.

It is an arithmetic number, because the mean of its divisors is an integer number (241960).

2⁹⁵⁵⁶⁶³ is an apocalyptic number.

955663 is a deficient number, since it is larger than the sum of its proper divisors (12177).

955663 is a wasteful number, since it uses less digits than its factorization.

955663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12176.

The product of its digits is 24300, while the sum is 34.

The square root of 955663 is about 977.5801757401. The cubic root of 955663 is about 98.4997036761.

The spelling of 955663 in words is "nine hundred fifty-five thousand, six hundred sixty-three".