4364421 has 4 divisors (see below), whose sum is σ = 5819232. Its totient is φ = 2909612.

The previous prime is 4364401. The next prime is 4364429. The reversal of 4364421 is 1244634.

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 4364421 - 2¹⁰ = 4363397 is a prime.

It is a D-number.

4364421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4364391 and 4364400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4364429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727401 + ... + 727406.

It is an arithmetic number, because the mean of its divisors is an integer number (1454808).

Almost surely, 2^4364421 is an apocalyptic number.

It is an amenable number.

4364421 is a deficient number, since it is larger than the sum of its proper divisors (1454811).

4364421 is a wasteful number, since it uses less digits than its factorization.

4364421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454810.

The product of its digits is 2304, while the sum is 24.

The square root of 4364421 is about 2089.1196710576. The cubic root of 4364421 is about 163.4213820237.

The spelling of 4364421 in words is "four million, three hundred sixty-four thousand, four hundred twenty-one".