3970161828 has 36 divisors (see below), whose sum is σ = 10381747740. Its totient is φ = 1277752896.

The previous prime is 3970161809. The next prime is 3970161841. The reversal of 3970161828 is 8281610793.

3970161828 is a `hidden beast` number, since 3 + 9 + 7 + 0 + 1 + 618 + 28 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2963495844 + 1006665984 = 54438^2 + 31728^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1900375 + ... + 1902462.

Almost surely, 2^3970161828 is an apocalyptic number.

It is an amenable number.

3970161828 is an abundant number, since it is smaller than the sum of its proper divisors (6411585912).

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

3970161828 is a wasteful number, since it uses less digits than its factorization.

3970161828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802876 (or 3802871 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 3970161828 is about 63009.2201824463. The cubic root of 3970161828 is about 1583.4441011137. Note that the first 3 decimals are identical.

The spelling of 3970161828 in words is "three billion, nine hundred seventy million, one hundred sixty-one thousand, eight hundred twenty-eight".