3838549456 has 120 divisors (see below), whose sum is σ = 9140676864. Its totient is φ = 1554577920.

The previous prime is 3838549453. The next prime is 3838549471. The reversal of 3838549456 is 6549458383.

It is a super-3 number, since 3×3838549456³ (a number of 30 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3838549397 and 3838549406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838549453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043236 + ... + 1046908.

Almost surely, 2^3838549456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3838549456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4570338432).

3838549456 is an abundant number, since it is smaller than the sum of its proper divisors (5302127408).

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

3838549456 is a wasteful number, since it uses less digits than its factorization.

3838549456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 3756 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 55.

The square root of 3838549456 is about 61956.0284072503. The cubic root of 3838549456 is about 1565.7498549762.

The spelling of 3838549456 in words is "three billion, eight hundred thirty-eight million, five hundred forty-nine thousand, four hundred fifty-six".