1994424 has 16 divisors (see below), whose sum is σ = 4986120. Its totient is φ = 664800.

The previous prime is 1994413. The next prime is 1994429. The reversal of 1994424 is 4244991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994429) 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 3 ways as a sum of consecutive naturals, for example, 41527 + ... + 41574.

2^1994424 is an apocalyptic number.

It is an amenable number.

1994424 is an abundant number, since it is smaller than the sum of its proper divisors (2991696).

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

1994424 is a wasteful number, since it uses less digits than its factorization.

1994424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83110 (or 83106 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 1994424 is about 1412.2407726730. The cubic root of 1994424 is about 125.8749073433.

The spelling of 1994424 in words is "one million, nine hundred ninety-four thousand, four hundred twenty-four".