1994321 has 8 divisors (see below), whose sum is σ = 2413440. Its totient is φ = 1608768.

The previous prime is 1994299. The next prime is 1994327. The reversal of 1994321 is 1234991.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1994321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1994327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8261 + ... + 8498.

It is an arithmetic number, because the mean of its divisors is an integer number (301680).

2^1994321 is an apocalyptic number.

It is an amenable number.

1994321 is a deficient number, since it is larger than the sum of its proper divisors (419119).

1994321 is a wasteful number, since it uses less digits than its factorization.

1994321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16783.

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

The square root of 1994321 is about 1412.2043053326. The cubic root of 1994321 is about 125.8727404122.

The spelling of 1994321 in words is "one million, nine hundred ninety-four thousand, three hundred twenty-one".