3850421136 has 40 divisors (see below), whose sum is σ = 10470445920. Its totient is φ = 1215922176.

The previous prime is 3850421129. The next prime is 3850421153. The reversal of 3850421136 is 6311240583.

It is a junction number, because it is equal to n+sod(n) for n = 3850421097 and 3850421106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2110065 + ... + 2111888.

It is an arithmetic number, because the mean of its divisors is an integer number (261761148).

Almost surely, 2^3850421136 is an apocalyptic number.

It is an amenable number.

3850421136 is an abundant number, since it is smaller than the sum of its proper divisors (6620024784).

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

3850421136 is a wasteful number, since it uses less digits than its factorization.

3850421136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221983 (or 4221977 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 3850421136 is about 62051.7617477538. The cubic root of 3850421136 is about 1567.3623522260.

The spelling of 3850421136 in words is "three billion, eight hundred fifty million, four hundred twenty-one thousand, one hundred thirty-six".