1798942 has 8 divisors (see below), whose sum is σ = 2731176. Its totient is φ = 888552.

The previous prime is 1798931. The next prime is 1798943. The reversal of 1798942 is 2498971.

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 = 1798895 and 1798904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5253 + ... + 5584.

It is an arithmetic number, because the mean of its divisors is an integer number (341397).

2^1798942 is an apocalyptic number.

1798942 is a deficient number, since it is larger than the sum of its proper divisors (932234).

1798942 is a wasteful number, since it uses less digits than its factorization.

1798942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10922.

The product of its digits is 36288, while the sum is 40.

The square root of 1798942 is about 1341.2464352236. The cubic root of 1798942 is about 121.6202020192.

The spelling of 1798942 in words is "one million, seven hundred ninety-eight thousand, nine hundred forty-two".