3846040239 has 4 divisors (see below), whose sum is σ = 5128053656. Its totient is φ = 2564026824.

The previous prime is 3846040229. The next prime is 3846040321. The reversal of 3846040239 is 9320406483.

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

It is not a de Polignac number, because 3846040239 - 2²⁰ = 3844991663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3846040197 and 3846040206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3846040229) 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, 641006704 + ... + 641006709.

It is an arithmetic number, because the mean of its divisors is an integer number (1282013414).

Almost surely, 2^3846040239 is an apocalyptic number.

3846040239 is a deficient number, since it is larger than the sum of its proper divisors (1282013417).

3846040239 is a wasteful number, since it uses less digits than its factorization.

3846040239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282013416.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 3846040239 is about 62016.4513576841. The cubic root of 3846040239 is about 1566.7676935656.

The spelling of 3846040239 in words is "three billion, eight hundred forty-six million, forty thousand, two hundred thirty-nine".