3858928992 has 96 divisors (see below), whose sum is σ = 11266335360. Its totient is φ = 1285038720.

The previous prime is 3858928973. The next prime is 3858929033. The reversal of 3858928992 is 2998298583.

3858928992 is a `hidden beast` number, since 385 + 8 + 92 + 89 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1355923 + ... + 1358765.

It is an arithmetic number, because the mean of its divisors is an integer number (117357660).

Almost surely, 2^3858928992 is an apocalyptic number.

3858928992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3858928992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5633167680).

3858928992 is an abundant number, since it is smaller than the sum of its proper divisors (7407406368).

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

3858928992 is a wasteful number, since it uses less digits than its factorization.

3858928992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433 (or 4419 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 63.

The square root of 3858928992 is about 62120.2784282234. The cubic root of 3858928992 is about 1568.5159129411.

The spelling of 3858928992 in words is "three billion, eight hundred fifty-eight million, nine hundred twenty-eight thousand, nine hundred ninety-two".