3970280 has 16 divisors (see below), whose sum is σ = 8933220. Its totient is φ = 1588096.

The previous prime is 3970277. The next prime is 3970289. The reversal of 3970280 is 820793.

3970280 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 2 ways, for example, as 3771364 + 198916 = 1942^2 + 446^2 .

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49589 + ... + 49668.

Almost surely, 2^3970280 is an apocalyptic number.

It is an amenable number.

3970280 is an abundant number, since it is smaller than the sum of its proper divisors (4962940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3970280 is a wasteful number, since it uses less digits than its factorization.

3970280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99268 (or 99264 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 3970280 is about 1992.5561472641. The cubic root of 3970280 is about 158.3459811380.

The spelling of 3970280 in words is "three million, nine hundred seventy thousand, two hundred eighty".