1798474 has 4 divisors (see below), whose sum is σ = 2697714. Its totient is φ = 899236.

The previous prime is 1798469. The next prime is 1798487. The reversal of 1798474 is 4748971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4748971 = 23 ⋅206477.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 42849 = 1325^2 + 207^2 .

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 unprimeable number.

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, 449617 + ... + 449620.

2^1798474 is an apocalyptic number.

1798474 is a deficient number, since it is larger than the sum of its proper divisors (899240).

1798474 is an equidigital number, since it uses as much as digits as its factorization.

1798474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899239.

The product of its digits is 56448, while the sum is 40.

The square root of 1798474 is about 1341.0719592923. The cubic root of 1798474 is about 121.6096544880.

The spelling of 1798474 in words is "one million, seven hundred ninety-eight thousand, four hundred seventy-four".