1944242 has 4 divisors (see below), whose sum is σ = 2916366. Its totient is φ = 972120.

The previous prime is 1944223. The next prime is 1944281. The reversal of 1944242 is 2424491.

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., 1792921 + 151321 = 1339^2 + 389^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486059 + ... + 486062.

2^1944242 is an apocalyptic number.

1944242 is a deficient number, since it is larger than the sum of its proper divisors (972124).

1944242 is an equidigital number, since it uses as much as digits as its factorization.

1944242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972123.

The product of its digits is 2304, while the sum is 26.

The square root of 1944242 is about 1394.3607854497. The cubic root of 1944242 is about 124.8102079778.

Subtracting 1944242 from its reverse (2424491), we obtain a square (480249 = 693²).

The spelling of 1944242 in words is "one million, nine hundred forty-four thousand, two hundred forty-two".