3985929585 has 48 divisors (see below), whose sum is σ = 7544085120. Its totient is φ = 1930763520.

The previous prime is 3985929583. The next prime is 3985929589. The reversal of 3985929585 is 5859295893.

3985929585 is a `hidden beast` number, since 39 + 8 + 592 + 9 + 5 + 8 + 5 = 666.

It is not a de Polignac number, because 3985929585 - 2¹ = 3985929583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3985929581) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 634932 + ... + 641178.

It is an arithmetic number, because the mean of its divisors is an integer number (157168440).

Almost surely, 2^3985929585 is an apocalyptic number.

It is an amenable number.

3985929585 is a deficient number, since it is larger than the sum of its proper divisors (3558155535).

3985929585 is a wasteful number, since it uses less digits than its factorization.

3985929585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7558 (or 7555 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 63.

The square root of 3985929585 is about 63134.2188119882. The cubic root of 3985929585 is about 1585.5375826439.

The spelling of 3985929585 in words is "three billion, nine hundred eighty-five million, nine hundred twenty-nine thousand, five hundred eighty-five".