4001716 has 6 divisors (see below), whose sum is σ = 7003010. Its totient is φ = 2000856.

The previous prime is 4001713. The next prime is 4001719. The reversal of 4001716 is 6171004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4001713) and next prime (4001719).

It can be written as a sum of positive squares in only one way, i.e., 3960100 + 41616 = 1990^2 + 204^2 .

It is an Ulam number.

4001716 is a modest number, since divided by 1716 gives 4 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 4001693 and 4001702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001713) 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 as a sum of consecutive naturals, namely, 500211 + ... + 500218.

Almost surely, 2^4001716 is an apocalyptic number.

It is an amenable number.

4001716 is a deficient number, since it is larger than the sum of its proper divisors (3001294).

4001716 is a wasteful number, since it uses less digits than its factorization.

4001716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000433 (or 1000431 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 4001716 is about 2000.4289539996. The cubic root of 4001716 is about 158.7628017866.

It can be divided in two parts, 400 and 1716, that added together give a square (2116 = 46²).

The spelling of 4001716 in words is "four million, one thousand, seven hundred sixteen".