3840915331 has 8 divisors (see below), whose sum is σ = 4215181824. Its totient is φ = 3470830920.

The previous prime is 3840915317. The next prime is 3840915343. The reversal of 3840915331 is 1335190483.

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 3840915331 - 2¹¹ = 3840913283 is a prime.

It is a super-2 number, since 2×3840915331² = 29505261159821679122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3840915361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043595 + ... + 1047268.

It is an arithmetic number, because the mean of its divisors is an integer number (526897728).

Almost surely, 2^3840915331 is an apocalyptic number.

3840915331 is a deficient number, since it is larger than the sum of its proper divisors (374266493).

3840915331 is a wasteful number, since it uses less digits than its factorization.

3840915331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091041.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 3840915331 is about 61975.1186445012. The cubic root of 3840915331 is about 1566.0714701838.

The spelling of 3840915331 in words is "three billion, eight hundred forty million, nine hundred fifteen thousand, three hundred thirty-one".