3970285 has 16 divisors (see below), whose sum is σ = 5340672. Its totient is φ = 2808000.

The previous prime is 3970277. The next prime is 3970289. The reversal of 3970285 is 5820793.

It is not a de Polignac number, because 3970285 - 2³ = 3970277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3970285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970289) 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 15 ways as a sum of consecutive naturals, for example, 1060 + ... + 3010.

It is an arithmetic number, because the mean of its divisors is an integer number (333792).

Almost surely, 2^3970285 is an apocalyptic number.

It is an amenable number.

3970285 is a deficient number, since it is larger than the sum of its proper divisors (1370387).

3970285 is a wasteful number, since it uses less digits than its factorization.

3970285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 3970285 is about 1992.5574019335. The cubic root of 3970285 is about 158.3460476094.

The spelling of 3970285 in words is "three million, nine hundred seventy thousand, two hundred eighty-five".