3982717 has 4 divisors (see below), whose sum is σ = 4090396. Its totient is φ = 3875040.

The previous prime is 3982697. The next prime is 3982721. The reversal of 3982717 is 7172893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2277081 + 1705636 = 1509^2 + 1306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3982717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 107641 = 3982717 / (3 + 9 + 8 + 2 + 7 + 1 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53784 + ... + 53857.

It is an arithmetic number, because the mean of its divisors is an integer number (1022599).

Almost surely, 2^3982717 is an apocalyptic number.

3982717 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3982717 is a deficient number, since it is larger than the sum of its proper divisors (107679).

3982717 is a wasteful number, since it uses less digits than its factorization.

3982717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107678.

The product of its digits is 21168, while the sum is 37.

The square root of 3982717 is about 1995.6745726696. The cubic root of 3982717 is about 158.5111496898.

It can be divided in two parts, 398271 and 7, that added together give a triangular number (398278 = T₈₉₂).

The spelling of 3982717 in words is "three million, nine hundred eighty-two thousand, seven hundred seventeen".