1944724 has 6 divisors (see below), whose sum is σ = 3403274. Its totient is φ = 972360.

The previous prime is 1944721. The next prime is 1944727. The reversal of 1944724 is 4274491.

It is an interprime number because it is at equal distance from previous prime (1944721) and next prime (1944727).

It can be written as a sum of positive squares in only one way, i.e., 1397124 + 547600 = 1182^2 + 740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243087 + ... + 243094.

2^1944724 is an apocalyptic number.

It is an amenable number.

1944724 is a deficient number, since it is larger than the sum of its proper divisors (1458550).

1944724 is a wasteful number, since it uses less digits than its factorization.

1944724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486185 (or 486183 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 1944724 is about 1394.5336137935. The cubic root of 1944724 is about 124.8205210886.

The spelling of 1944724 in words is "one million, nine hundred forty-four thousand, seven hundred twenty-four".