4001516 has 12 divisors (see below), whose sum is σ = 7058688. Its totient is φ = 1984752.

The previous prime is 4001509. The next prime is 4001521. The reversal of 4001516 is 6151004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4001494 and 4001503.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3431 + ... + 4446.

It is an arithmetic number, because the mean of its divisors is an integer number (588224).

Almost surely, 2^4001516 is an apocalyptic number.

It is an amenable number.

4001516 is a deficient number, since it is larger than the sum of its proper divisors (3057172).

4001516 is a wasteful number, since it uses less digits than its factorization.

4001516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008 (or 8006 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 4001516 is about 2000.3789640966. The cubic root of 4001516 is about 158.7601568305.

The spelling of 4001516 in words is "four million, one thousand, five hundred sixteen".