3849572736 has 128 divisors (see below), whose sum is σ = 11395440000. Its totient is φ = 1279369728.

The previous prime is 3849572731. The next prime is 3849572743. The reversal of 3849572736 is 6372759483.

3849572736 is a `hidden beast` number, since 38 + 4 + 9 + 572 + 7 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3849572731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1308355 + ... + 1311293.

It is an arithmetic number, because the mean of its divisors is an integer number (89026875).

Almost surely, 2^3849572736 is an apocalyptic number.

3849572736 is a gapful number since it is divisible by the number (36) 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 3849572736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5697720000).

3849572736 is an abundant number, since it is smaller than the sum of its proper divisors (7545867264).

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

3849572736 is a wasteful number, since it uses less digits than its factorization.

3849572736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341 (or 3323 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 3849572736 is about 62044.9251429962. The cubic root of 3849572736 is about 1567.2472264731.

The spelling of 3849572736 in words is "three billion, eight hundred forty-nine million, five hundred seventy-two thousand, seven hundred thirty-six".