1994288 has 10 divisors (see below), whose sum is σ = 3863964. Its totient is φ = 997136.

The previous prime is 1994227. The next prime is 1994299. The reversal of 1994288 is 8824991.

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 as a sum of consecutive naturals, namely, 62306 + ... + 62337.

2^1994288 is an apocalyptic number.

It is an amenable number.

1994288 is a deficient number, since it is larger than the sum of its proper divisors (1869676).

1994288 is a wasteful number, since it uses less digits than its factorization.

1994288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124651 (or 124645 counting only the distinct ones).

The product of its digits is 41472, while the sum is 41.

The square root of 1994288 is about 1412.1926214224. The cubic root of 1994288 is about 125.8720461369.

The spelling of 1994288 in words is "one million, nine hundred ninety-four thousand, two hundred eighty-eight".