4081217 has 4 divisors (see below), whose sum is σ = 4664256. Its totient is φ = 3498180.

The previous prime is 4081213. The next prime is 4081229. The reversal of 4081217 is 7121804.

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 4081217 - 2² = 4081213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4081192 and 4081201.

It is not an unprimeable number, because it can be changed into a prime (4081213) 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, 291509 + ... + 291522.

It is an arithmetic number, because the mean of its divisors is an integer number (1166064).

Almost surely, 2^4081217 is an apocalyptic number.

It is an amenable number.

4081217 is a deficient number, since it is larger than the sum of its proper divisors (583039).

4081217 is an equidigital number, since it uses as much as digits as its factorization.

4081217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583038.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 4081217 is about 2020.2022176010. The cubic root of 4081217 is about 159.8072809852.

The spelling of 4081217 in words is "four million, eighty-one thousand, two hundred seventeen".