1943242 has 24 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 819000.

The previous prime is 1943239. The next prime is 1943243. The reversal of 1943242 is 2423491.

It is not an unprimeable number, because it can be changed into a prime (1943243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7617 + ... + 7867.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

2^1943242 is an apocalyptic number.

1943242 is a deficient number, since it is larger than the sum of its proper divisors (1504118).

1943242 is a wasteful number, since it uses less digits than its factorization.

1943242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 339 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 1943242 is about 1394.0021520787. The cubic root of 1943242 is about 124.7888060445.

Subtracting 1943242 from its reverse (2423491), we obtain a square (480249 = 693²).

The spelling of 1943242 in words is "one million, nine hundred forty-three thousand, two hundred forty-two".