3716021 has 8 divisors (see below), whose sum is σ = 3876000. Its totient is φ = 3559248.

The previous prime is 3715991. The next prime is 3716029. The reversal of 3716021 is 1206173.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3716021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3715984 and 3716002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3716029) 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 7 ways as a sum of consecutive naturals, for example, 1730 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (484500).

Almost surely, 2^3716021 is an apocalyptic number.

It is an amenable number.

3716021 is a deficient number, since it is larger than the sum of its proper divisors (159979).

3716021 is a wasteful number, since it uses less digits than its factorization.

3716021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 3716021 is about 1927.6983685214. The cubic root of 3716021 is about 154.8909534778.

The spelling of 3716021 in words is "three million, seven hundred sixteen thousand, twenty-one".