4116621 has 4 divisors (see below), whose sum is σ = 5488832. Its totient is φ = 2744412.

The previous prime is 4116617. The next prime is 4116641. The reversal of 4116621 is 1266114.

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 not a de Polignac number, because 4116621 - 2² = 4116617 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4116641) 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, 686101 + ... + 686106.

It is an arithmetic number, because the mean of its divisors is an integer number (1372208).

Almost surely, 2^4116621 is an apocalyptic number.

It is an amenable number.

4116621 is a deficient number, since it is larger than the sum of its proper divisors (1372211).

4116621 is a wasteful number, since it uses less digits than its factorization.

4116621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372210.

The product of its digits is 288, while the sum is 21.

The square root of 4116621 is about 2028.9457853772. The cubic root of 4116621 is about 160.2680532749.

The spelling of 4116621 in words is "four million, one hundred sixteen thousand, six hundred twenty-one".