1984994 has 8 divisors (see below), whose sum is σ = 3248208. Its totient is φ = 902260.

The previous prime is 1984991. The next prime is 1985003. The reversal of 1984994 is 4994891.

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

It is not an unprimeable number, because it can be changed into a prime (1984991) 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 3 ways as a sum of consecutive naturals, for example, 45092 + ... + 45135.

It is an arithmetic number, because the mean of its divisors is an integer number (406026).

2^1984994 is an apocalyptic number.

1984994 is a deficient number, since it is larger than the sum of its proper divisors (1263214).

1984994 is a wasteful number, since it uses less digits than its factorization.

1984994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90240.

The product of its digits is 93312, while the sum is 44.

The square root of 1984994 is about 1408.8981510386. The cubic root of 1984994 is about 125.6762073527.

The spelling of 1984994 in words is "one million, nine hundred eighty-four thousand, nine hundred ninety-four".