4719421 has 8 divisors (see below), whose sum is σ = 5711040. Its totient is φ = 3807168.

The previous prime is 4719401. The next prime is 4719443. The reversal of 4719421 is 1249174.

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 4719421 - 2¹¹ = 4717373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4719421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4719401) 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, 19711 + ... + 19948.

It is an arithmetic number, because the mean of its divisors is an integer number (713880).

Almost surely, 2^4719421 is an apocalyptic number.

It is an amenable number.

4719421 is a deficient number, since it is larger than the sum of its proper divisors (991619).

4719421 is a wasteful number, since it uses less digits than its factorization.

4719421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39683.

The product of its digits is 2016, while the sum is 28.

The square root of 4719421 is about 2172.4228409773. The cubic root of 4719421 is about 167.7372712210.

The spelling of 4719421 in words is "four million, seven hundred nineteen thousand, four hundred twenty-one".