3984909075 has 144 divisors (see below), whose sum is σ = 8570939520. Its totient is φ = 1809864000.

The previous prime is 3984909059. The next prime is 3984909079. The reversal of 3984909075 is 5709094893.

3984909075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3984909075 - 2⁴ = 3984909059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3984909079) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6978540 + ... + 6979110.

Almost surely, 2^3984909075 is an apocalyptic number.

3984909075 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3984909075 is an abundant number, since it is smaller than the sum of its proper divisors (4586030445).

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

3984909075 is a wasteful number, since it uses less digits than its factorization.

3984909075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 3984909075 is about 63126.1362273979. The cubic root of 3984909075 is about 1585.4022570331.

The spelling of 3984909075 in words is "three billion, nine hundred eighty-four million, nine hundred nine thousand, seventy-five".