3840965915 has 8 divisors (see below), whose sum is σ = 4696124688. Its totient is φ = 3014795680.

The previous prime is 3840965899. The next prime is 3840965923. The reversal of 3840965915 is 5195690483.

It is a happy number.

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

It is not a de Polignac number, because 3840965915 - 2⁴ = 3840965899 is a prime.

It is a Duffinian number.

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, 7246841 + ... + 7247370.

It is an arithmetic number, because the mean of its divisors is an integer number (587015586).

Almost surely, 2^3840965915 is an apocalyptic number.

3840965915 is a deficient number, since it is larger than the sum of its proper divisors (855158773).

3840965915 is a wasteful number, since it uses less digits than its factorization.

3840965915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14494269.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 3840965915 is about 61975.5267424166. The cubic root of 3840965915 is about 1566.0783450912.

The spelling of 3840965915 in words is "three billion, eight hundred forty million, nine hundred sixty-five thousand, nine hundred fifteen".