3858645924 has 405 divisors, whose sum is σ = 12909659763. Its totient is φ = 1001839104.

The previous prime is 3858645911. The next prime is 3858645929. The reversal of 3858645924 is 4295468583.

The square root of 3858645924 is 62118.

It is a perfect power (a square), and thus also a powerful number.

3858645924 is a `hidden beast` number, since 3 + 8 + 586 + 4 + 59 + 2 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 381420900 + 3477225024 = 19530^2 + 58968^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3858645929) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 133056742 + ... + 133056770.

Almost surely, 2^3858645924 is an apocalyptic number.

3858645924 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3858645924 is the 62118-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3858645924

3858645924 is an abundant number, since it is smaller than the sum of its proper divisors (9051013839).

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

3858645924 is a wasteful number, since it uses less digits than its factorization.

3858645924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 58 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The cubic root of 3858645924 is about 1568.4775596813.

The spelling of 3858645924 in words is "three billion, eight hundred fifty-eight million, six hundred forty-five thousand, nine hundred twenty-four".