1984938 has 8 divisors (see below), whose sum is σ = 3969888. Its totient is φ = 661644.

The previous prime is 1984921. The next prime is 1984979. The reversal of 1984938 is 8394891.

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

1984938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1984938.

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 in 3 ways as a sum of consecutive naturals, for example, 165406 + ... + 165417.

It is an arithmetic number, because the mean of its divisors is an integer number (496236).

2^1984938 is an apocalyptic number.

1984938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1984938 is a wasteful number, since it uses less digits than its factorization.

1984938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330828.

The product of its digits is 62208, while the sum is 42.

The square root of 1984938 is about 1408.8782772121. The cubic root of 1984938 is about 125.6750254962.

The spelling of 1984938 in words is "one million, nine hundred eighty-four thousand, nine hundred thirty-eight".