3784969242 has 128 divisors (see below), whose sum is σ = 9093150720. Its totient is φ = 1164533760.

The previous prime is 3784969231. The next prime is 3784969247. The reversal of 3784969242 is 2429694873.

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 (3784969247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3282138 + ... + 3283290.

It is an arithmetic number, because the mean of its divisors is an integer number (71040240).

Almost surely, 2^3784969242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3784969242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4546575360).

3784969242 is an abundant number, since it is smaller than the sum of its proper divisors (5308181478).

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

3784969242 is a wasteful number, since it uses less digits than its factorization.

3784969242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1279 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 3784969242 is about 61522.1036863988. The cubic root of 3784969242 is about 1558.4305443419.

The spelling of 3784969242 in words is "three billion, seven hundred eighty-four million, nine hundred sixty-nine thousand, two hundred forty-two".