1943942 has 32 divisors (see below), whose sum is σ = 3919104. Its totient is φ = 698400.

The previous prime is 1943941. The next prime is 1943951. The reversal of 1943942 is 2493491.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1943899 and 1943908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1943941) 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 in 15 ways as a sum of consecutive naturals, for example, 1517 + ... + 2487.

It is an arithmetic number, because the mean of its divisors is an integer number (122472).

2^1943942 is an apocalyptic number.

1943942 is an abundant number, since it is smaller than the sum of its proper divisors (1975162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1943942 is a wasteful number, since it uses less digits than its factorization.

1943942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

The product of its digits is 7776, while the sum is 32.

The square root of 1943942 is about 1394.2532051245. The cubic root of 1943942 is about 124.8037881685.

The spelling of 1943942 in words is "one million, nine hundred forty-three thousand, nine hundred forty-two".