3821290524 has 72 divisors (see below), whose sum is σ = 9919029120. Its totient is φ = 1239946272.

The previous prime is 3821290519. The next prime is 3821290537. The reversal of 3821290524 is 4250921283.

It is a happy number.

3821290524 is a `hidden beast` number, since 3 + 8 + 2 + 129 + 0 + 524 = 666.

It is a super-2 number, since 2×3821290524² = 29204522537624389152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 210039 + ... + 227505.

Almost surely, 2^3821290524 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 3821290524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4959514560).

3821290524 is an abundant number, since it is smaller than the sum of its proper divisors (6097738596).

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

3821290524 is a wasteful number, since it uses less digits than its factorization.

3821290524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17639 (or 17634 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 3821290524 is about 61816.5877738330. The cubic root of 3821290524 is about 1563.3996814110.

The spelling of 3821290524 in words is "three billion, eight hundred twenty-one million, two hundred ninety thousand, five hundred twenty-four".