3845873394 has 96 divisors (see below), whose sum is σ = 9238634496. Its totient is φ = 1146555360.

The previous prime is 3845873389. The next prime is 3845873407. The reversal of 3845873394 is 4933785483.

3845873394 is a `hidden beast` number, since 38 + 458 + 73 + 3 + 94 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3845873394.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3537519 + ... + 3538605.

It is an arithmetic number, because the mean of its divisors is an integer number (96235776).

Almost surely, 2^3845873394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3845873394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4619317248).

3845873394 is an abundant number, since it is smaller than the sum of its proper divisors (5392761102).

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

3845873394 is a wasteful number, since it uses less digits than its factorization.

3845873394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1377 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 3845873394 is about 62015.1061758343. The cubic root of 3845873394 is about 1566.7450372646.

The spelling of 3845873394 in words is "three billion, eight hundred forty-five million, eight hundred seventy-three thousand, three hundred ninety-four".