1794221 has 8 divisors (see below), whose sum is σ = 2108064. Its totient is φ = 1505520.

The previous prime is 1794217. The next prime is 1794223. The reversal of 1794221 is 1224971.

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

It is a cyclic number.

It is not a de Polignac number, because 1794221 - 2² = 1794217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1794223) 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 7 ways as a sum of consecutive naturals, for example, 6131 + ... + 6416.

It is an arithmetic number, because the mean of its divisors is an integer number (263508).

2^1794221 is an apocalyptic number.

1794221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1794221 is a deficient number, since it is larger than the sum of its proper divisors (313843).

1794221 is a wasteful number, since it uses less digits than its factorization.

1794221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12571.

The product of its digits is 1008, while the sum is 26.

The square root of 1794221 is about 1339.4853489307. The cubic root of 1794221 is about 121.5137186946.

The spelling of 1794221 in words is "one million, seven hundred ninety-four thousand, two hundred twenty-one".