1994600 has 24 divisors (see below), whose sum is σ = 4637910. Its totient is φ = 797760.

The previous prime is 1994599. The next prime is 1994621. The reversal of 1994600 is 64991.

It can be written as a sum of positive squares in 3 ways, for example, as 1069156 + 925444 = 1034^2 + 962^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4787 + ... + 5186.

2^1994600 is an apocalyptic number.

1994600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1994600 is an abundant number, since it is smaller than the sum of its proper divisors (2643310).

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

1994600 is a wasteful number, since it uses less digits than its factorization.

1994600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9989 (or 9980 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1994600 is about 1412.3030836191. The cubic root of 1994600 is about 125.8786098880.

The spelling of 1994600 in words is "one million, nine hundred ninety-four thousand, six hundred".