1943542 has 8 divisors (see below), whose sum is σ = 3086856. Its totient is φ = 914592.

The previous prime is 1943537. The next prime is 1943561. The reversal of 1943542 is 2453491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1943542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28548 + ... + 28615.

It is an arithmetic number, because the mean of its divisors is an integer number (385857).

2^1943542 is an apocalyptic number.

1943542 is a deficient number, since it is larger than the sum of its proper divisors (1143314).

1943542 is a wasteful number, since it uses less digits than its factorization.

1943542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57182.

The product of its digits is 4320, while the sum is 28.

The square root of 1943542 is about 1394.1097517771. The cubic root of 1943542 is about 124.7952273953.

It can be divided in two parts, 1943 and 542, that added together give a triangular number (2485 = T₇₀).

The spelling of 1943542 in words is "one million, nine hundred forty-three thousand, five hundred forty-two".