3896831036 has 72 divisors (see below), whose sum is σ = 8341653600. Its totient is φ = 1585906560.

The previous prime is 3896831023. The next prime is 3896831047. The reversal of 3896831036 is 6301386983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341105 + ... + 352343.

It is an arithmetic number, because the mean of its divisors is an integer number (115856300).

Almost surely, 2^3896831036 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 3896831036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4170826800).

3896831036 is an abundant number, since it is smaller than the sum of its proper divisors (4444822564).

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

3896831036 is a wasteful number, since it uses less digits than its factorization.

3896831036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11347 (or 11338 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 3896831036 is about 62424.6028101101. The cubic root of 3896831036 is about 1573.6344641498.

The spelling of 3896831036 in words is "three billion, eight hundred ninety-six million, eight hundred thirty-one thousand, thirty-six".