4016405 has 8 divisors (see below), whose sum is σ = 4855200. Its totient is φ = 3189456.

The previous prime is 4016381. The next prime is 4016407. The reversal of 4016405 is 5046104.

It is a happy number.

4016405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4016405 - 2⁸ = 4016149 is a prime.

It is a super-2 number, since 2×4016405² = 32263018248050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4016407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195 + ... + 3584.

It is an arithmetic number, because the mean of its divisors is an integer number (606900).

Almost surely, 2^4016405 is an apocalyptic number.

It is an amenable number.

4016405 is a deficient number, since it is larger than the sum of its proper divisors (838795).

4016405 is a wasteful number, since it uses less digits than its factorization.

4016405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5923.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4016405 is about 2004.0970535381. The cubic root of 4016405 is about 158.9568201510.

The spelling of 4016405 in words is "four million, sixteen thousand, four hundred five".