3849969792 has 64 divisors (see below), whose sum is σ = 10245736800. Its totient is φ = 1280907264.

The previous prime is 3849969779. The next prime is 3849969833. The reversal of 3849969792 is 2979699483.

It is a tau number, because it is divible by the number of its divisors (64).

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, 200884 + ... + 219212.

Almost surely, 2^3849969792 is an apocalyptic number.

3849969792 is a gapful number since it is divisible by the number (32) 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 3849969792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5122868400).

3849969792 is an abundant number, since it is smaller than the sum of its proper divisors (6395767008).

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

3849969792 is a wasteful number, since it uses less digits than its factorization.

3849969792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18893 (or 18881 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 66.

The square root of 3849969792 is about 62048.1248064758. The cubic root of 3849969792 is about 1567.3011080823.

The spelling of 3849969792 in words is "three billion, eight hundred forty-nine million, nine hundred sixty-nine thousand, seven hundred ninety-two".