1798456 has 32 divisors (see below), whose sum is σ = 3732480. Its totient is φ = 805600.

The previous prime is 1798451. The next prime is 1798457. The reversal of 1798456 is 6548971.

1798456 is nontrivially palindromic in base 7.

Its product of digits (60480) is a multiple of the sum of its prime factors (315).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798451) 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 7 ways as a sum of consecutive naturals, for example, 9321 + ... + 9511.

It is an arithmetic number, because the mean of its divisors is an integer number (116640).

2^1798456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1798456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1866240).

1798456 is an abundant number, since it is smaller than the sum of its proper divisors (1934024).

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

1798456 is a wasteful number, since it uses less digits than its factorization.

1798456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 311 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 1798456 is about 1341.0652482262. The cubic root of 1798456 is about 121.6092487771.

The spelling of 1798456 in words is "one million, seven hundred ninety-eight thousand, four hundred fifty-six".