3982915 has 4 divisors (see below), whose sum is σ = 4779504. Its totient is φ = 3186328.

The previous prime is 3982903. The next prime is 3982931. The reversal of 3982915 is 5192893.

3982915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3982915 - 2⁵ = 3982883 is a prime.

It is a super-3 number, since 3×3982915³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398287 + ... + 398296.

It is an arithmetic number, because the mean of its divisors is an integer number (1194876).

Almost surely, 2^3982915 is an apocalyptic number.

3982915 is a deficient number, since it is larger than the sum of its proper divisors (796589).

3982915 is an equidigital number, since it uses as much as digits as its factorization.

3982915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796588.

The product of its digits is 19440, while the sum is 37.

The square root of 3982915 is about 1995.7241793394. The cubic root of 3982915 is about 158.5137764300.

The spelling of 3982915 in words is "three million, nine hundred eighty-two thousand, nine hundred fifteen".