1955441 has 4 divisors (see below), whose sum is σ = 2022900. Its totient is φ = 1887984.

The previous prime is 1955417. The next prime is 1955467. The reversal of 1955441 is 1445591.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 355216 + 1600225 = 596^2 + 1265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1955441 - 2¹⁴ = 1939057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 67429 = 1955441 / (1 + 9 + 5 + 5 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1955491) 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 3 ways as a sum of consecutive naturals, for example, 33686 + ... + 33743.

It is an arithmetic number, because the mean of its divisors is an integer number (505725).

2^1955441 is an apocalyptic number.

It is an amenable number.

1955441 is a deficient number, since it is larger than the sum of its proper divisors (67459).

1955441 is an equidigital number, since it uses as much as digits as its factorization.

1955441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67458.

The product of its digits is 3600, while the sum is 29.

The square root of 1955441 is about 1398.3708377966. The cubic root of 1955441 is about 125.0493884837.

The spelling of 1955441 in words is "one million, nine hundred fifty-five thousand, four hundred forty-one".