1842742 has 8 divisors (see below), whose sum is σ = 3015432. Its totient is φ = 837600.

The previous prime is 1842727. The next prime is 1842767. The reversal of 1842742 is 2472481.

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 1842742.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41859 + ... + 41902.

It is an arithmetic number, because the mean of its divisors is an integer number (376929).

2^1842742 is an apocalyptic number.

1842742 is a deficient number, since it is larger than the sum of its proper divisors (1172690).

1842742 is a wasteful number, since it uses less digits than its factorization.

1842742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83774.

The product of its digits is 3584, while the sum is 28.

The square root of 1842742 is about 1357.4763349687. The cubic root of 1842742 is about 122.5993529679.

It can be divided in two parts, 184 and 2742, that added together give a triangular number (2926 = T₇₆).

The spelling of 1842742 in words is "one million, eight hundred forty-two thousand, seven hundred forty-two".