3821787632 has 120 divisors (see below), whose sum is σ = 8365178880. Its totient is φ = 1688843520.

The previous prime is 3821787611. The next prime is 3821787659. The reversal of 3821787632 is 2367871283.

3821787632 is nontrivially palindromic in base 12.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10645469 + ... + 10645827.

It is an arithmetic number, because the mean of its divisors is an integer number (69709824).

Almost surely, 2^3821787632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3821787632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4182589440).

3821787632 is an abundant number, since it is smaller than the sum of its proper divisors (4543391248).

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

3821787632 is a wasteful number, since it uses less digits than its factorization.

3821787632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 532 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 3821787632 is about 61820.6084732268. The cubic root of 3821787632 is about 1563.4674721905.

The spelling of 3821787632 in words is "three billion, eight hundred twenty-one million, seven hundred eighty-seven thousand, six hundred thirty-two".