3781853490 has 128 divisors (see below), whose sum is σ = 9786562560. Its totient is φ = 931954688.

The previous prime is 3781853459. The next prime is 3781853497. The reversal of 3781853490 is 943581873.

It is not an unprimeable number, because it can be changed into a prime (3781853497) 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, 7895071 + ... + 7895549.

It is an arithmetic number, because the mean of its divisors is an integer number (76457520).

Almost surely, 2^3781853490 is an apocalyptic number.

3781853490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3781853490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4893281280).

3781853490 is an abundant number, since it is smaller than the sum of its proper divisors (6004709070).

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

3781853490 is a wasteful number, since it uses less digits than its factorization.

3781853490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 3781853490 is about 61496.7762569714. The cubic root of 3781853490 is about 1558.0027983667.

The spelling of 3781853490 in words is "three billion, seven hundred eighty-one million, eight hundred fifty-three thousand, four hundred ninety".