3949836528 has 80 divisors (see below), whose sum is σ = 11297598336. Its totient is φ = 1179045120.

The previous prime is 3949836523. The next prime is 3949836551. The reversal of 3949836528 is 8256389493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949836523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20451 + ... + 91202.

Almost surely, 2^3949836528 is an apocalyptic number.

It is an amenable number.

3949836528 is an abundant number, since it is smaller than the sum of its proper divisors (7347761808).

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

3949836528 is a wasteful number, since it uses less digits than its factorization.

3949836528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111742 (or 111736 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 57.

The square root of 3949836528 is about 62847.7249230233. The cubic root of 3949836528 is about 1580.7373218406.

The spelling of 3949836528 in words is "three billion, nine hundred forty-nine million, eight hundred thirty-six thousand, five hundred twenty-eight".