3854673438 has 64 divisors (see below), whose sum is σ = 9633212928. Its totient is φ = 998968320.

The previous prime is 3854673421. The next prime is 3854673451. The reversal of 3854673438 is 8343764583.

3854673438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202006 + ... + 220262.

It is an arithmetic number, because the mean of its divisors is an integer number (150518952).

Almost surely, 2^3854673438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3854673438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4816606464).

3854673438 is an abundant number, since it is smaller than the sum of its proper divisors (5778539490).

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

3854673438 is a wasteful number, since it uses less digits than its factorization.

3854673438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18737.

The product of its digits is 5806080, while the sum is 51.

The square root of 3854673438 is about 62086.0164449290. The cubic root of 3854673438 is about 1567.9391242917.

The spelling of 3854673438 in words is "three billion, eight hundred fifty-four million, six hundred seventy-three thousand, four hundred thirty-eight".