1984394 has 16 divisors (see below), whose sum is σ = 3136320. Its totient is φ = 939840.

The previous prime is 1984363. The next prime is 1984397. The reversal of 1984394 is 4934891.

It is not an unprimeable number, because it can be changed into a prime (1984397) 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 in 7 ways as a sum of consecutive naturals, for example, 8114 + ... + 8354.

It is an arithmetic number, because the mean of its divisors is an integer number (196020).

2^1984394 is an apocalyptic number.

1984394 is a deficient number, since it is larger than the sum of its proper divisors (1151926).

1984394 is a wasteful number, since it uses less digits than its factorization.

1984394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

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

The square root of 1984394 is about 1408.6852025914. The cubic root of 1984394 is about 125.6635434482.

The spelling of 1984394 in words is "one million, nine hundred eighty-four thousand, three hundred ninety-four".