4016505 has 32 divisors (see below), whose sum is σ = 7171200. Its totient is φ = 1907712.

The previous prime is 4016503. The next prime is 4016549. The reversal of 4016505 is 5056104.

It is a happy number.

It is not a de Polignac number, because 4016505 - 2¹ = 4016503 is a prime.

It is a super-2 number, since 2×4016505² = 32264624830050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4016503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4431 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (224100).

Almost surely, 2^4016505 is an apocalyptic number.

It is an amenable number.

4016505 is a deficient number, since it is larger than the sum of its proper divisors (3154695).

4016505 is a wasteful number, since it uses less digits than its factorization.

4016505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 4016505 is about 2004.1220022743. The cubic root of 4016505 is about 158.9581393698.

The spelling of 4016505 in words is "four million, sixteen thousand, five hundred five".