3850989549 has 32 divisors (see below), whose sum is σ = 5946753024. Its totient is φ = 2190785280.

The previous prime is 3850989523. The next prime is 3850989551. The reversal of 3850989549 is 9459890583.

It is a happy number.

It is not a de Polignac number, because 3850989549 - 2⁵ = 3850989517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3850989492 and 3850989501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3850989049) 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, 205902 + ... + 223824.

It is an arithmetic number, because the mean of its divisors is an integer number (185836032).

Almost surely, 2^3850989549 is an apocalyptic number.

It is an amenable number.

3850989549 is a deficient number, since it is larger than the sum of its proper divisors (2095763475).

3850989549 is a wasteful number, since it uses less digits than its factorization.

3850989549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18337.

The product of its (nonzero) digits is 13996800, while the sum is 60.

The square root of 3850989549 is about 62056.3417307208. The cubic root of 3850989549 is about 1567.4394749847.

It can be divided in two parts, 3850 and 989549, that added together give a palindrome (993399).

The spelling of 3850989549 in words is "three billion, eight hundred fifty million, nine hundred eighty-nine thousand, five hundred forty-nine".