1798256 has 20 divisors (see below), whose sum is σ = 3510192. Its totient is φ = 892416.

The previous prime is 1798253. The next prime is 1798271. The reversal of 1798256 is 6528971.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 1 + 7⁶ + 9³ + 8 + 2⁷ + 5³ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336 + ... + 3008.

2^1798256 is an apocalyptic number.

1798256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1798256 is a deficient number, since it is larger than the sum of its proper divisors (1711936).

1798256 is a wasteful number, since it uses less digits than its factorization.

1798256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 842 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 1798256 is about 1340.9906785657. The cubic root of 1798256 is about 121.6047406970.

The spelling of 1798256 in words is "one million, seven hundred ninety-eight thousand, two hundred fifty-six".