3851489952 has 96 divisors (see below), whose sum is σ = 11359958400. Its totient is φ = 1269379584.

The previous prime is 3851489947. The next prime is 3851489953. The reversal of 3851489952 is 2599841583.

3851489952 is a `hidden beast` number, since 38 + 514 + 8 + 9 + 95 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (3851489953) 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, 51853 + ... + 101939.

It is an arithmetic number, because the mean of its divisors is an integer number (118332900).

Almost surely, 2^3851489952 is an apocalyptic number.

3851489952 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 3851489952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5679979200).

3851489952 is an abundant number, since it is smaller than the sum of its proper divisors (7508468448).

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

3851489952 is a wasteful number, since it uses less digits than its factorization.

3851489952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50195 (or 50181 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The square root of 3851489952 is about 62060.3734439296. The cubic root of 3851489952 is about 1567.5073638078.

The spelling of 3851489952 in words is "three billion, eight hundred fifty-one million, four hundred eighty-nine thousand, nine hundred fifty-two".