4066401 has 8 divisors (see below), whose sum is σ = 5434560. Its totient is φ = 2704592.

The previous prime is 4066379. The next prime is 4066441. The reversal of 4066401 is 1046604.

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

It is a cyclic number.

It is not a de Polignac number, because 4066401 - 2⁵ = 4066369 is a prime.

4066401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4066441) 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, 196 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (679320).

Almost surely, 2^4066401 is an apocalyptic number.

It is an amenable number.

4066401 is a deficient number, since it is larger than the sum of its proper divisors (1368159).

4066401 is a wasteful number, since it uses less digits than its factorization.

4066401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4066401 is about 2016.5319238733. The cubic root of 4066401 is about 159.6136642593.

The spelling of 4066401 in words is "four million, sixty-six thousand, four hundred one".