1984497 has 8 divisors (see below), whose sum is σ = 2653440. Its totient is φ = 1319280.

The previous prime is 1984471. The next prime is 1984511. The reversal of 1984497 is 7944891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1984497 - 2¹² = 1980401 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1984457) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 747 + ... + 2127.

It is an arithmetic number, because the mean of its divisors is an integer number (331680).

2^1984497 is an apocalyptic number.

It is an amenable number.

1984497 is a deficient number, since it is larger than the sum of its proper divisors (668943).

1984497 is a wasteful number, since it uses less digits than its factorization.

1984497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863.

The product of its digits is 72576, while the sum is 42.

The square root of 1984497 is about 1408.7217610302. The cubic root of 1984497 is about 125.6657175999.

The spelling of 1984497 in words is "one million, nine hundred eighty-four thousand, four hundred ninety-seven".