1798938 has 24 divisors (see below), whose sum is σ = 3931200. Its totient is φ = 594504.

The previous prime is 1798931. The next prime is 1798943. The reversal of 1798938 is 8398971.

It is a junction number, because it is equal to n+sod(n) for n = 1798893 and 1798902.

It is not an unprimeable number, because it can be changed into a prime (1798931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2143 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^1798938 is an apocalyptic number.

1798938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1798938 is an abundant number, since it is smaller than the sum of its proper divisors (2132262).

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

1798938 is a wasteful number, since it uses less digits than its factorization.

1798938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 863 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 1798938 is about 1341.2449440725. The cubic root of 1798938 is about 121.6201118772.

The spelling of 1798938 in words is "one million, seven hundred ninety-eight thousand, nine hundred thirty-eight".