1798546 has 4 divisors (see below), whose sum is σ = 2697822. Its totient is φ = 899272.

The previous prime is 1798543. The next prime is 1798571. The reversal of 1798546 is 6458971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6458971 = 1303 ⋅4957.

It can be written as a sum of positive squares in only one way, i.e., 1792921 + 5625 = 1339^2 + 75^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1798499 and 1798508.

It is not an unprimeable number, because it can be changed into a prime (1798543) 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 as a sum of consecutive naturals, namely, 449635 + ... + 449638.

2^1798546 is an apocalyptic number.

1798546 is a deficient number, since it is larger than the sum of its proper divisors (899276).

1798546 is an equidigital number, since it uses as much as digits as its factorization.

1798546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899275.

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

The square root of 1798546 is about 1341.0988032207. The cubic root of 1798546 is about 121.6112773042.

The spelling of 1798546 in words is "one million, seven hundred ninety-eight thousand, five hundred forty-six".