4194321 has 4 divisors (see below), whose sum is σ = 5592432. Its totient is φ = 2796212.

The previous prime is 4194319. The next prime is 4194329. The reversal of 4194321 is 1234914.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4194321 - 2¹ = 4194319 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 4194291 and 4194300.

It is not an unprimeable number, because it can be changed into a prime (4194329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699051 + ... + 699056.

It is an arithmetic number, because the mean of its divisors is an integer number (1398108).

Almost surely, 2^4194321 is an apocalyptic number.

It is an amenable number.

4194321 is a deficient number, since it is larger than the sum of its proper divisors (1398111).

4194321 is a wasteful number, since it uses less digits than its factorization.

4194321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398110.

The product of its digits is 864, while the sum is 24.

The square root of 4194321 is about 2048.0041503864. The cubic root of 4194321 is about 161.2701122681.

The spelling of 4194321 in words is "four million, one hundred ninety-four thousand, three hundred twenty-one".