3538639158 has 32 divisors (see below), whose sum is σ = 7260606720. Its totient is φ = 1149353760.

The previous prime is 3538639147. The next prime is 3538639271. The reversal of 3538639158 is 8519368353.

It is a self number, because there is not a number n which added to its sum of digits gives 3538639158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6018 + ... + 84341.

It is an arithmetic number, because the mean of its divisors is an integer number (226893960).

Almost surely, 2^3538639158 is an apocalyptic number.

3538639158 is an abundant number, since it is smaller than the sum of its proper divisors (3721967562).

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

3538639158 is a wasteful number, since it uses less digits than its factorization.

3538639158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90532.

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

The square root of 3538639158 is about 59486.4619724522. The cubic root of 3538639158 is about 1523.8612526189.

The spelling of 3538639158 in words is "three billion, five hundred thirty-eight million, six hundred thirty-nine thousand, one hundred fifty-eight".