3538891272 has 64 divisors (see below), whose sum is σ = 10282521600. Its totient is φ = 993971520.

The previous prime is 3538891267. The next prime is 3538891289. The reversal of 3538891272 is 2721988353.

It is a happy 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, 168604 + ... + 188427.

It is an arithmetic number, because the mean of its divisors is an integer number (160664400).

Almost surely, 2^3538891272 is an apocalyptic number.

It is an amenable number.

3538891272 is an abundant number, since it is smaller than the sum of its proper divisors (6743630328).

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

3538891272 is a wasteful number, since it uses less digits than its factorization.

3538891272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357106 (or 357102 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 3538891272 is about 59488.5810219071. The cubic root of 3538891272 is about 1523.8974414489.

The spelling of 3538891272 in words is "three billion, five hundred thirty-eight million, eight hundred ninety-one thousand, two hundred seventy-two".