3982045 has 4 divisors (see below), whose sum is σ = 4778460. Its totient is φ = 3185632.

The previous prime is 3982037. The next prime is 3982057. The reversal of 3982045 is 5402893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5402893 = 307 ⋅17599.

It can be written as a sum of positive squares in 2 ways, for example, as 636804 + 3345241 = 798^2 + 1829^2 .

It is a cyclic number.

It is not a de Polignac number, because 3982045 - 2³ = 3982037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3981998 and 3982016.

It is a congruent number.

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, 398200 + ... + 398209.

It is an arithmetic number, because the mean of its divisors is an integer number (1194615).

Almost surely, 2^3982045 is an apocalyptic number.

It is an amenable number.

3982045 is a deficient number, since it is larger than the sum of its proper divisors (796415).

3982045 is an equidigital number, since it uses as much as digits as its factorization.

3982045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796414.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3982045 is about 1995.5062014436. The cubic root of 3982045 is about 158.5022340439.

The spelling of 3982045 in words is "three million, nine hundred eighty-two thousand, forty-five".