3421663 has 8 divisors (see below), whose sum is σ = 3935232. Its totient is φ = 2914296.

The previous prime is 3421661. The next prime is 3421667. The reversal of 3421663 is 3661243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3421663 - 2¹ = 3421661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421661) 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, 295 + ... + 2632.

It is an arithmetic number, because the mean of its divisors is an integer number (491904).

Almost surely, 2^3421663 is an apocalyptic number.

3421663 is a deficient number, since it is larger than the sum of its proper divisors (513569).

3421663 is a wasteful number, since it uses less digits than its factorization.

3421663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101.

The product of its digits is 2592, while the sum is 25.

The square root of 3421663 is about 1849.7737699513. The cubic root of 3421663 is about 150.6881419472.

The spelling of 3421663 in words is "three million, four hundred twenty-one thousand, six hundred sixty-three".