1798356 has 48 divisors (see below), whose sum is σ = 4874240. Its totient is φ = 505440.

The previous prime is 1798351. The next prime is 1798367. The reversal of 1798356 is 6538971.

1798356 is a nontrivial binomial coefficient, being equal to C(1897, 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798351) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6501 + ... + 6771.

2^1798356 is an apocalyptic number.

1798356 is the 1896-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1798356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2437120).

1798356 is an abundant number, since it is smaller than the sum of its proper divisors (3075884).

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

1798356 is a wasteful number, since it uses less digits than its factorization.

1798356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 362 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 1798356 is about 1341.0279639143. The cubic root of 1798356 is about 121.6069947788.

The spelling of 1798356 in words is "one million, seven hundred ninety-eight thousand, three hundred fifty-six".