1955884 has 36 divisors (see below), whose sum is σ = 4223016. Its totient is φ = 787584.

The previous prime is 1955873. The next prime is 1955887. The reversal of 1955884 is 4885591.

It is not an unprimeable number, because it can be changed into a prime (1955887) 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 11 ways as a sum of consecutive naturals, for example, 3039 + ... + 3625.

It is an arithmetic number, because the mean of its divisors is an integer number (117306).

2^1955884 is an apocalyptic number.

1955884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1955884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2111508).

1955884 is an abundant number, since it is smaller than the sum of its proper divisors (2267132).

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

1955884 is a wasteful number, since it uses less digits than its factorization.

1955884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 613 counting only the distinct ones).

The product of its digits is 57600, while the sum is 40.

The square root of 1955884 is about 1398.5292274386. The cubic root of 1955884 is about 125.0588309737.

The spelling of 1955884 in words is "one million, nine hundred fifty-five thousand, eight hundred eighty-four".