3938508549 has 32 divisors (see below), whose sum is σ = 5999671040. Its totient is φ = 2551663296.

The previous prime is 3938508547. The next prime is 3938508617. The reversal of 3938508549 is 9458058393.

3938508549 is a `hidden beast` number, since 3 + 93 + 8 + 5 + 0 + 8 + 549 = 666.

3938508549 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 3938508549 - 2¹ = 3938508547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3938508495 and 3938508504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938508547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1090104 + ... + 1093710.

It is an arithmetic number, because the mean of its divisors is an integer number (187489720).

Almost surely, 2^3938508549 is an apocalyptic number.

It is an amenable number.

3938508549 is a deficient number, since it is larger than the sum of its proper divisors (2061162491).

3938508549 is a wasteful number, since it uses less digits than its factorization.

3938508549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746 (or 4740 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The square root of 3938508549 is about 62757.5377863090. The cubic root of 3938508549 is about 1579.2247102995.

The spelling of 3938508549 in words is "three billion, nine hundred thirty-eight million, five hundred eight thousand, five hundred forty-nine".