1944694 has 4 divisors (see below), whose sum is σ = 2917044. Its totient is φ = 972346.

The previous prime is 1944689. The next prime is 1944713. The reversal of 1944694 is 4964491.

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

It is a congruent number.

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, 486172 + ... + 486175.

It is an arithmetic number, because the mean of its divisors is an integer number (729261).

2^1944694 is an apocalyptic number.

1944694 is a deficient number, since it is larger than the sum of its proper divisors (972350).

1944694 is an equidigital number, since it uses as much as digits as its factorization.

1944694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972349.

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

The square root of 1944694 is about 1394.5228574677. The cubic root of 1944694 is about 124.8198792434.

The spelling of 1944694 in words is "one million, nine hundred forty-four thousand, six hundred ninety-four".