1955443 has 8 divisors (see below), whose sum is σ = 2280800. Its totient is φ = 1675800.

The previous prime is 1955417. The next prime is 1955467. The reversal of 1955443 is 3445591.

It is not a de Polignac number, because 1955443 - 2¹⁷ = 1824371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1955543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2508 + ... + 3193.

It is an arithmetic number, because the mean of its divisors is an integer number (285100).

2^1955443 is an apocalyptic number.

1955443 is a deficient number, since it is larger than the sum of its proper divisors (325357).

1955443 is an frugal number, since it uses more digits than its factorization.

1955443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722 (or 5708 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 1955443 is about 1398.3715529143. The cubic root of 1955443 is about 125.0494311166.

The spelling of 1955443 in words is "one million, nine hundred fifty-five thousand, four hundred forty-three".