3858009387 has 16 divisors (see below), whose sum is σ = 5169653760. Its totient is φ = 2559211200.

The previous prime is 3858009377. The next prime is 3858009391. The reversal of 3858009387 is 7839008583.

It is a happy number.

It is not a de Polignac number, because 3858009387 - 2⁸ = 3858009131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3858009307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738039 + ... + 743247.

It is an arithmetic number, because the mean of its divisors is an integer number (323103360).

Almost surely, 2^3858009387 is an apocalyptic number.

3858009387 is a deficient number, since it is larger than the sum of its proper divisors (1311644373).

3858009387 is a wasteful number, since it uses less digits than its factorization.

3858009387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 3858009387 is about 62112.8761771664. The cubic root of 3858009387 is about 1568.3913075845.

The spelling of 3858009387 in words is "three billion, eight hundred fifty-eight million, nine thousand, three hundred eighty-seven".