3871836850 has 48 divisors (see below), whose sum is σ = 8266845888. Its totient is φ = 1321611840.

The previous prime is 3871836797. The next prime is 3871836863. The reversal of 3871836850 is 586381783.

It is a super-2 number, since 2×3871836850² = 29982241186035845000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3871836794 and 3871836803.

It is an unprimeable number.

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, 55084 + ... + 103816.

It is an arithmetic number, because the mean of its divisors is an integer number (172225956).

Almost surely, 2^3871836850 is an apocalyptic number.

3871836850 is an abundant number, since it is smaller than the sum of its proper divisors (4395009038).

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

3871836850 is a wasteful number, since it uses less digits than its factorization.

3871836850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48979 (or 48974 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 3871836850 is about 62224.0857707046. The cubic root of 3871836850 is about 1570.2628267036.

The spelling of 3871836850 in words is "three billion, eight hundred seventy-one million, eight hundred thirty-six thousand, eight hundred fifty".