3982505 has 8 divisors (see below), whose sum is σ = 5060232. Its totient is φ = 2998528.

The previous prime is 3982499. The next prime is 3982513. The reversal of 3982505 is 5052893.

It is a happy number.

3982505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 582169 + 3400336 = 763^2 + 1844^2 .

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

It is not a de Polignac number, because 3982505 - 2⁸ = 3982249 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 23342 + ... + 23511.

It is an arithmetic number, because the mean of its divisors is an integer number (632529).

Almost surely, 2^3982505 is an apocalyptic number.

It is an amenable number.

3982505 is a deficient number, since it is larger than the sum of its proper divisors (1077727).

3982505 is a wasteful number, since it uses less digits than its factorization.

3982505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46875.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 3982505 is about 1995.6214570905. The cubic root of 3982505 is about 158.5083371241.

The spelling of 3982505 in words is "three million, nine hundred eighty-two thousand, five hundred five".