1944461 has 4 divisors (see below), whose sum is σ = 1997052. Its totient is φ = 1891872.

The previous prime is 1944457. The next prime is 1944469. The reversal of 1944461 is 1644491.

It is a happy number.

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 1768900 + 175561 = 1330^2 + 419^2 .

It is a cyclic number.

It is not a de Polignac number, because 1944461 - 2² = 1944457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944469) 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, 26240 + ... + 26313.

It is an arithmetic number, because the mean of its divisors is an integer number (499263).

2^1944461 is an apocalyptic number.

It is an amenable number.

1944461 is a deficient number, since it is larger than the sum of its proper divisors (52591).

1944461 is an equidigital number, since it uses as much as digits as its factorization.

1944461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52590.

The product of its digits is 3456, while the sum is 29.

The square root of 1944461 is about 1394.4393138462. The cubic root of 1944461 is about 124.8148940215.

The spelling of 1944461 in words is "one million, nine hundred forty-four thousand, four hundred sixty-one".