4267621 has 8 divisors (see below), whose sum is σ = 4441184. Its totient is φ = 4097520.

The previous prime is 4267619. The next prime is 4267631. The reversal of 4267621 is 1267624.

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 4267621 - 2¹ = 4267619 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 4267621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4267631) 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, 1810 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (555148).

Almost surely, 2^4267621 is an apocalyptic number.

It is an amenable number.

4267621 is a deficient number, since it is larger than the sum of its proper divisors (173563).

4267621 is a wasteful number, since it uses less digits than its factorization.

4267621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731.

The product of its digits is 4032, while the sum is 28.

The square root of 4267621 is about 2065.8221123804. The cubic root of 4267621 is about 162.2041449140.

The spelling of 4267621 in words is "four million, two hundred sixty-seven thousand, six hundred twenty-one".