1955888 has 20 divisors (see below), whose sum is σ = 4134408. Its totient is φ = 888960.

The previous prime is 1955887. The next prime is 1955893. The reversal of 1955888 is 8885591.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1955887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5381 + ... + 5732.

2^1955888 is an apocalyptic number.

It is an amenable number.

1955888 is an abundant number, since it is smaller than the sum of its proper divisors (2178520).

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

1955888 is a wasteful number, since it uses less digits than its factorization.

1955888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132 (or 11126 counting only the distinct ones).

The product of its digits is 115200, while the sum is 44.

The square root of 1955888 is about 1398.5306575117. The cubic root of 1955888 is about 125.0589162267.

The spelling of 1955888 in words is "one million, nine hundred fifty-five thousand, eight hundred eighty-eight".