3851946115 has 8 divisors (see below), whose sum is σ = 4656075840. Its totient is φ = 3059063232.

The previous prime is 3851946107. The next prime is 3851946143. The reversal of 3851946115 is 5116491583.

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

It is a cyclic number.

It is not a de Polignac number, because 3851946115 - 2³ = 3851946107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810955 + ... + 2812324.

It is an arithmetic number, because the mean of its divisors is an integer number (582009480).

Almost surely, 2^3851946115 is an apocalyptic number.

3851946115 is a deficient number, since it is larger than the sum of its proper divisors (804129725).

3851946115 is a wasteful number, since it uses less digits than its factorization.

3851946115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623421.

The product of its digits is 129600, while the sum is 43.

The square root of 3851946115 is about 62064.0484902492. The cubic root of 3851946115 is about 1567.5692455422.

The spelling of 3851946115 in words is "three billion, eight hundred fifty-one million, nine hundred forty-six thousand, one hundred fifteen".