1984498 has 4 divisors (see below), whose sum is σ = 2976750. Its totient is φ = 992248.

The previous prime is 1984471. The next prime is 1984511. The reversal of 1984498 is 8944891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8944891 = 367 ⋅24373.

It can be written as a sum of positive squares in only one way, i.e., 1447209 + 537289 = 1203^2 + 733^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496123 + ... + 496126.

2^1984498 is an apocalyptic number.

1984498 is a deficient number, since it is larger than the sum of its proper divisors (992252).

1984498 is an equidigital number, since it uses as much as digits as its factorization.

1984498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992251.

The product of its digits is 82944, while the sum is 43.

The square root of 1984498 is about 1408.7221159618. The cubic root of 1984498 is about 125.6657387078.

The spelling of 1984498 in words is "one million, nine hundred eighty-four thousand, four hundred ninety-eight".