3549389686 has 8 divisors (see below), whose sum is σ = 5324432544. Its totient is φ = 1774578840.

The previous prime is 3549389681. The next prime is 3549389689. The reversal of 3549389686 is 6869839453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3549389681) 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 3 ways as a sum of consecutive naturals, for example, 12670 + ... + 85201.

It is an arithmetic number, because the mean of its divisors is an integer number (665554068).

Almost surely, 2^3549389686 is an apocalyptic number.

3549389686 is a deficient number, since it is larger than the sum of its proper divisors (1775042858).

3549389686 is a wasteful number, since it uses less digits than its factorization.

3549389686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116006.

The product of its digits is 33592320, while the sum is 61.

The square root of 3549389686 is about 59576.7545776035. The cubic root of 3549389686 is about 1525.4028764123.

The spelling of 3549389686 in words is "three billion, five hundred forty-nine million, three hundred eighty-nine thousand, six hundred eighty-six".