3840331 has 4 divisors (see below), whose sum is σ = 4189464. Its totient is φ = 3491200.

The previous prime is 3840329. The next prime is 3840349. The reversal of 3840331 is 1330483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3840331 - 2¹ = 3840329 is a prime.

It is a super-2 number, since 2×3840331² = 29496284379122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3840301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174550 + ... + 174571.

It is an arithmetic number, because the mean of its divisors is an integer number (1047366).

Almost surely, 2^3840331 is an apocalyptic number.

3840331 is a deficient number, since it is larger than the sum of its proper divisors (349133).

3840331 is a wasteful number, since it uses less digits than its factorization.

3840331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349132.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3840331 is about 1959.6762487717. The cubic root of 3840331 is about 156.5992048966.

The spelling of 3840331 in words is "three million, eight hundred forty thousand, three hundred thirty-one".