1944369 has 18 divisors (see below), whose sum is σ = 3267810. Its totient is φ = 1110816.

The previous prime is 1944361. The next prime is 1944373. The reversal of 1944369 is 9634491.

It can be written as a sum of positive squares in only one way, i.e., 1238769 + 705600 = 1113^2 + 840^2 .

It is not a de Polignac number, because 1944369 - 2³ = 1944361 is a prime.

It is a super-2 number, since 2×1944369² = 7561141616322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1944361) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1764 + ... + 2645.

It is an arithmetic number, because the mean of its divisors is an integer number (181545).

2^1944369 is an apocalyptic number.

It is an amenable number.

1944369 is a deficient number, since it is larger than the sum of its proper divisors (1323441).

1944369 is a wasteful number, since it uses less digits than its factorization.

1944369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429 (or 4419 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1944369 is about 1394.4063252869. The cubic root of 1944369 is about 124.8129254980.

The spelling of 1944369 in words is "one million, nine hundred forty-four thousand, three hundred sixty-nine".