955820 has 12 divisors (see below), whose sum is σ = 2007264. Its totient is φ = 382320.

The previous prime is 955819. The next prime is 955841. The reversal of 955820 is 28559.

It is an unprimeable number.

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, 23876 + ... + 23915.

It is an arithmetic number, because the mean of its divisors is an integer number (167272).

2⁹⁵⁵⁸²⁰ is an apocalyptic number.

It is an amenable number.

955820 is an abundant number, since it is smaller than the sum of its proper divisors (1051444).

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

955820 is a wasteful number, since it uses less digits than its factorization.

955820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47800 (or 47798 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 955820 is about 977.6604727614. The cubic root of 955820 is about 98.5050973510.

The spelling of 955820 in words is "nine hundred fifty-five thousand, eight hundred twenty".