1955853 has 16 divisors (see below), whose sum is σ = 2928960. Its totient is φ = 1289808.

The previous prime is 1955839. The next prime is 1955873. The reversal of 1955853 is 3585591.

It is a happy number.

It is not a de Polignac number, because 1955853 - 2¹³ = 1947661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955873) 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 15 ways as a sum of consecutive naturals, for example, 2551 + ... + 3227.

It is an arithmetic number, because the mean of its divisors is an integer number (183060).

2^1955853 is an apocalyptic number.

It is an amenable number.

1955853 is a deficient number, since it is larger than the sum of its proper divisors (973107).

1955853 is a wasteful number, since it uses less digits than its factorization.

1955853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 787 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 1955853 is about 1398.5181443228. The cubic root of 1955853 is about 125.0581702589.

The spelling of 1955853 in words is "one million, nine hundred fifty-five thousand, eight hundred fifty-three".