3808821830 has 16 divisors (see below), whose sum is σ = 7479141264. Its totient is φ = 1385026080.

The previous prime is 3808821697. The next prime is 3808821869. The reversal of 3808821830 is 381288083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17312717 + ... + 17312936.

It is an arithmetic number, because the mean of its divisors is an integer number (467446329).

Almost surely, 2^3808821830 is an apocalyptic number.

3808821830 is a deficient number, since it is larger than the sum of its proper divisors (3670319434).

3808821830 is a wasteful number, since it uses less digits than its factorization.

3808821830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34625671.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 3808821830 is about 61715.6530387551. The cubic root of 3808821830 is about 1561.6973949880.

The spelling of 3808821830 in words is "three billion, eight hundred eight million, eight hundred twenty-one thousand, eight hundred thirty".