4021117 has 4 divisors (see below), whose sum is σ = 4032000. Its totient is φ = 4010236.

The previous prime is 4021099. The next prime is 4021151. The reversal of 4021117 is 7111204.

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 4021117 - 2¹¹ = 4019069 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 4021117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021177) 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, 4867 + ... + 5632.

It is an arithmetic number, because the mean of its divisors is an integer number (1008000).

Almost surely, 2^4021117 is an apocalyptic number.

It is an amenable number.

4021117 is a deficient number, since it is larger than the sum of its proper divisors (10883).

4021117 is a wasteful number, since it uses less digits than its factorization.

4021117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10882.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 4021117 is about 2005.2723007113. The cubic root of 4021117 is about 159.0189579600.

The spelling of 4021117 in words is "four million, twenty-one thousand, one hundred seventeen".