3851867136 has 88 divisors (see below), whose sum is σ = 11056485664. Its totient is φ = 1185177600.

The previous prime is 3851867101. The next prime is 3851867153. The reversal of 3851867136 is 6317681583.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8290 + ... + 88161.

Almost surely, 2^3851867136 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 3851867136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5528242832).

3851867136 is an abundant number, since it is smaller than the sum of its proper divisors (7204618528).

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

3851867136 is a wasteful number, since it uses less digits than its factorization.

3851867136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96487 (or 96469 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 3851867136 is about 62063.4122168609. The cubic root of 3851867136 is about 1567.5585318324.

The spelling of 3851867136 in words is "three billion, eight hundred fifty-one million, eight hundred sixty-seven thousand, one hundred thirty-six".