3870821334 has 8 divisors (see below), whose sum is σ = 7741642680. Its totient is φ = 1290273776.

The previous prime is 3870821323. The next prime is 3870821377. The reversal of 3870821334 is 4331280783.

It is a sphenic number, since it is the product of 3 distinct primes.

3870821334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3870821292 and 3870821301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322568439 + ... + 322568450.

It is an arithmetic number, because the mean of its divisors is an integer number (967705335).

Almost surely, 2^3870821334 is an apocalyptic number.

3870821334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3870821334 is a wasteful number, since it uses less digits than its factorization.

3870821334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645136894.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 3870821334 is about 62215.9250835347. The cubic root of 3870821334 is about 1570.1255304175.

The spelling of 3870821334 in words is "three billion, eight hundred seventy million, eight hundred twenty-one thousand, three hundred thirty-four".