1944946 has 4 divisors (see below), whose sum is σ = 2917422. Its totient is φ = 972472.

The previous prime is 1944937. The next prime is 1944961. The reversal of 1944946 is 6494491.

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

It can be written as a sum of positive squares in only one way, i.e., 1929321 + 15625 = 1389^2 + 125^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 486235 + ... + 486238.

2^1944946 is an apocalyptic number.

1944946 is a deficient number, since it is larger than the sum of its proper divisors (972476).

1944946 is an equidigital number, since it uses as much as digits as its factorization.

1944946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972475.

The product of its digits is 31104, while the sum is 37.

The square root of 1944946 is about 1394.6132080258. The cubic root of 1944946 is about 124.8252705374.

The spelling of 1944946 in words is "one million, nine hundred forty-four thousand, nine hundred forty-six".