3849857436 has 24 divisors (see below), whose sum is σ = 9016155904. Its totient is φ = 1278549360.

The previous prime is 3849857423. The next prime is 3849857447. The reversal of 3849857436 is 6347589483.

3849857436 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 7 ways as a sum of consecutive naturals, for example, 588670 + ... + 595173.

Almost surely, 2^3849857436 is an apocalyptic number.

It is an amenable number.

3849857436 is an abundant number, since it is smaller than the sum of its proper divisors (5166298468).

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

3849857436 is a wasteful number, since it uses less digits than its factorization.

3849857436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184121 (or 1184119 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The square root of 3849857436 is about 62047.2194058686. The cubic root of 3849857436 is about 1567.2858614348.

The spelling of 3849857436 in words is "three billion, eight hundred forty-nine million, eight hundred fifty-seven thousand, four hundred thirty-six".