3857397936 has 160 divisors (see below), whose sum is σ = 12102082560. Its totient is φ = 1034166528.

The previous prime is 3857397931. The next prime is 3857397941. The reversal of 3857397936 is 6397937583.

It is an interprime number because it is at equal distance from previous prime (3857397931) and next prime (3857397941).

It is a self number, because there is not a number n which added to its sum of digits gives 3857397936.

It is not an unprimeable number, because it can be changed into a prime (3857397931) 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 31 ways as a sum of consecutive naturals, for example, 680265 + ... + 685911.

It is an arithmetic number, because the mean of its divisors is an integer number (75638016).

Almost surely, 2^3857397936 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 3857397936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6051041280).

3857397936 is an abundant number, since it is smaller than the sum of its proper divisors (8244684624).

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

3857397936 is a wasteful number, since it uses less digits than its factorization.

3857397936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791 (or 5785 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 60.

The square root of 3857397936 is about 62107.9538867608. The cubic root of 3857397936 is about 1568.3084457591.

The spelling of 3857397936 in words is "three billion, eight hundred fifty-seven million, three hundred ninety-seven thousand, nine hundred thirty-six".