1914321 has 8 divisors (see below), whose sum is σ = 2568384. Its totient is φ = 1268240.

The previous prime is 1914259. The next prime is 1914323. The reversal of 1914321 is 1234191.

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 1914321 - 2¹⁰ = 1913297 is a prime.

1914321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1914323) 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, 1410 + ... + 2411.

It is an arithmetic number, because the mean of its divisors is an integer number (321048).

2^1914321 is an apocalyptic number.

It is an amenable number.

1914321 is a deficient number, since it is larger than the sum of its proper divisors (654063).

1914321 is a wasteful number, since it uses less digits than its factorization.

1914321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991.

The product of its digits is 216, while the sum is 21.

The square root of 1914321 is about 1383.5898958868. The cubic root of 1914321 is about 124.1666377390.

The spelling of 1914321 in words is "one million, nine hundred fourteen thousand, three hundred twenty-one".