955890 has 96 divisors (see below), whose sum is σ = 2882880. Its totient is φ = 217728.

The previous prime is 955883. The next prime is 955891. The reversal of 955890 is 98559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (955891) by changing a digit.

955890 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22209 + ... + 22251.

It is an arithmetic number, because the mean of its divisors is an integer number (30030).

2⁹⁵⁵⁸⁹⁰ is an apocalyptic number.

955890 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 955890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1441440).

955890 is an abundant number, since it is smaller than the sum of its proper divisors (1926990).

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

955890 is a wasteful number, since it uses less digits than its factorization.

955890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 955890 is about 977.6962718554. The cubic root of 955890 is about 98.5075019839.

The spelling of 955890 in words is "nine hundred fifty-five thousand, eight hundred ninety".