3857850892 has 12 divisors (see below), whose sum is σ = 7715701840. Its totient is φ = 1653364656.

The previous prime is 3857850883. The next prime is 3857850907. The reversal of 3857850892 is 2980587583.

3857850892 is an admirable number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68890167 + ... + 68890222.

Almost surely, 2^3857850892 is an apocalyptic number.

It is an amenable number.

3857850892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3857850892 is a wasteful number, since it uses less digits than its factorization.

3857850892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137780400 (or 137780398 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 55.

The square root of 3857850892 is about 62111.6003013930. The cubic root of 3857850892 is about 1568.3698297048.

The spelling of 3857850892 in words is "three billion, eight hundred fifty-seven million, eight hundred fifty thousand, eight hundred ninety-two".