3851613400 has 96 divisors (see below), whose sum is σ = 9108792000. Its totient is φ = 1514373120.

The previous prime is 3851613379. The next prime is 3851613401. The reversal of 3851613400 is 43161583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3851613401) 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, 5008216 + ... + 5008984.

It is an arithmetic number, because the mean of its divisors is an integer number (94883250).

Almost surely, 2^3851613400 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 3851613400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4554396000).

3851613400 is an abundant number, since it is smaller than the sum of its proper divisors (5257178600).

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

3851613400 is a wasteful number, since it uses less digits than its factorization.

3851613400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3851613400 is about 62061.3680158599. The cubic root of 3851613400 is about 1567.5241108835.

Adding to 3851613400 its reverse (43161583), we get a palindrome (3894774983).

The spelling of 3851613400 in words is "three billion, eight hundred fifty-one million, six hundred thirteen thousand, four hundred".