3840339 has 4 divisors (see below), whose sum is σ = 5120456. Its totient is φ = 2560224.

The previous prime is 3840329. The next prime is 3840349. The reversal of 3840339 is 9330483.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (3840329) and next prime (3840349).

It is not a de Polignac number, because 3840339 - 2⁵ = 3840307 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3840329) 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, 640054 + ... + 640059.

It is an arithmetic number, because the mean of its divisors is an integer number (1280114).

Almost surely, 2^3840339 is an apocalyptic number.

3840339 is a deficient number, since it is larger than the sum of its proper divisors (1280117).

3840339 is a wasteful number, since it uses less digits than its factorization.

3840339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280116.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 3840339 is about 1959.6782899241. The cubic root of 3840339 is about 156.5993136366.

The spelling of 3840339 in words is "three million, eight hundred forty thousand, three hundred thirty-nine".