3851111394 has 24 divisors (see below), whose sum is σ = 8985927132. Its totient is φ = 1184957280.

The previous prime is 3851111389. The next prime is 3851111401. The reversal of 3851111394 is 4931111583.

It is a happy number.

3851111394 is a `hidden beast` number, since 3 + 8 + 511 + 1 + 139 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3850823025 + 288369 = 62055^2 + 537^2 .

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 11 ways as a sum of consecutive naturals, for example, 8228637 + ... + 8229104.

Almost surely, 2^3851111394 is an apocalyptic number.

3851111394 is an abundant number, since it is smaller than the sum of its proper divisors (5134815738).

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

3851111394 is a wasteful number, since it uses less digits than its factorization.

3851111394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16457762 (or 16457759 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 3851111394 is about 62057.3234517893. The cubic root of 3851111394 is about 1567.4560060301.

The spelling of 3851111394 in words is "three billion, eight hundred fifty-one million, one hundred eleven thousand, three hundred ninety-four".