3849194520 has 160 divisors (see below), whose sum is σ = 13011807600. Its totient is φ = 1020563712.

The previous prime is 3849194507. The next prime is 3849194539. The reversal of 3849194520 is 254919483.

3849194520 is a `hidden beast` number, since 38 + 4 + 9 + 1 + 94 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 576642 + ... + 583278.

Almost surely, 2^3849194520 is an apocalyptic number.

3849194520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3849194520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6505903800).

3849194520 is an abundant number, since it is smaller than the sum of its proper divisors (9162613080).

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

3849194520 is a wasteful number, since it uses less digits than its factorization.

3849194520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6839 (or 6826 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 3849194520 is about 62041.8771476170. The cubic root of 3849194520 is about 1567.1958980590.

The spelling of 3849194520 in words is "three billion, eight hundred forty-nine million, one hundred ninety-four thousand, five hundred twenty".