4408427 has 2 divisors, whose sum is σ = 4408428. Its totient is φ = 4408426.

The previous prime is 4408363. The next prime is 4408429. The reversal of 4408427 is 7248044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4408427 - 2⁶ = 4408363 is a prime.

It is a super-2 number, since 2×4408427² = 38868457228658, which contains 22 as substring.

Together with 4408429, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4408427.

It is not a weakly prime, because it can be changed into another prime (4408429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2204213 + 2204214.

It is an arithmetic number, because the mean of its divisors is an integer number (2204214).

Almost surely, 2^4408427 is an apocalyptic number.

4408427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4408427 is an equidigital number, since it uses as much as digits as its factorization.

4408427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 4408427 is about 2099.6254427874. The cubic root of 4408427 is about 163.9687998351.

The spelling of 4408427 in words is "four million, four hundred eight thousand, four hundred twenty-seven".