1984493 has 16 divisors (see below), whose sum is σ = 2449920. Its totient is φ = 1569456.

The previous prime is 1984471. The next prime is 1984511. The reversal of 1984493 is 3944891.

It is not a de Polignac number, because 1984493 - 2⁶ = 1984429 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5546 + ... + 5892.

It is an arithmetic number, because the mean of its divisors is an integer number (153120).

2^1984493 is an apocalyptic number.

It is an amenable number.

1984493 is a deficient number, since it is larger than the sum of its proper divisors (465427).

1984493 is a wasteful number, since it uses less digits than its factorization.

1984493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416.

The product of its digits is 31104, while the sum is 38.

The square root of 1984493 is about 1408.7203413027. The cubic root of 1984493 is about 125.6656331682.

The spelling of 1984493 in words is "one million, nine hundred eighty-four thousand, four hundred ninety-three".