3985049526 has 16 divisors (see below), whose sum is σ = 8438928624. Its totient is φ = 1250211584.

The previous prime is 3985049491. The next prime is 3985049557. The reversal of 3985049526 is 6259405893.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19534455 + ... + 19534658.

It is an arithmetic number, because the mean of its divisors is an integer number (527433039).

Almost surely, 2^3985049526 is an apocalyptic number.

3985049526 is an abundant number, since it is smaller than the sum of its proper divisors (4453879098).

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

3985049526 is a wasteful number, since it uses less digits than its factorization.

3985049526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39069135.

The product of its (nonzero) digits is 2332800, while the sum is 51.

The square root of 3985049526 is about 63127.2486807401. The cubic root of 3985049526 is about 1585.4208830303.

The spelling of 3985049526 in words is "three billion, nine hundred eighty-five million, forty-nine thousand, five hundred twenty-six".