1955343 has 16 divisors (see below), whose sum is σ = 2833376. Its totient is φ = 1192320.

The previous prime is 1955333. The next prime is 1955381. The reversal of 1955343 is 3435591.

It is not a de Polignac number, because 1955343 - 2⁶ = 1955279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1955343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6921 + ... + 7197.

It is an arithmetic number, because the mean of its divisors is an integer number (177086).

2^1955343 is an apocalyptic number.

1955343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1955343 is a deficient number, since it is larger than the sum of its proper divisors (878033).

1955343 is a wasteful number, since it uses less digits than its factorization.

1955343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its digits is 8100, while the sum is 30.

The square root of 1955343 is about 1398.3357965811. The cubic root of 1955343 is about 125.0472994332.

The spelling of 1955343 in words is "one million, nine hundred fifty-five thousand, three hundred forty-three".