1965441 has 8 divisors (see below), whose sum is σ = 2654080. Its totient is φ = 1293552.

The previous prime is 1965437. The next prime is 1965443. The reversal of 1965441 is 1445691.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1965441 - 2² = 1965437 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1965399 and 1965408.

It is not an unprimeable number, because it can be changed into a prime (1965443) 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 7 ways as a sum of consecutive naturals, for example, 3910 + ... + 4383.

It is an arithmetic number, because the mean of its divisors is an integer number (331760).

2^1965441 is an apocalyptic number.

It is an amenable number.

1965441 is a deficient number, since it is larger than the sum of its proper divisors (688639).

1965441 is an equidigital number, since it uses as much as digits as its factorization.

1965441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8375.

The product of its digits is 4320, while the sum is 30.

The square root of 1965441 is about 1401.9418675537. The cubic root of 1965441 is about 125.2621909959.

The spelling of 1965441 in words is "one million, nine hundred sixty-five thousand, four hundred forty-one".