1798142 has 8 divisors (see below), whose sum is σ = 2710632. Its totient is φ = 894600.

The previous prime is 1798133. The next prime is 1798151. The reversal of 1798142 is 2418971.

It is an interprime number because it is at equal distance from previous prime (1798133) and next prime (1798151).

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

It is a junction number, because it is equal to n+sod(n) for n = 1798099 and 1798108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (338829).

2^1798142 is an apocalyptic number.

1798142 is a deficient number, since it is larger than the sum of its proper divisors (912490).

1798142 is a wasteful number, since it uses less digits than its factorization.

1798142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474.

The product of its digits is 4032, while the sum is 32.

The square root of 1798142 is about 1340.9481720037. The cubic root of 1798142 is about 121.6021709417.

The spelling of 1798142 in words is "one million, seven hundred ninety-eight thousand, one hundred forty-two".