3879397239 has 4 divisors (see below), whose sum is σ = 5172529656. Its totient is φ = 2586264824.

The previous prime is 3879397231. The next prime is 3879397241. The reversal of 3879397239 is 9327939783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9327939783 = 3 ⋅3109313261.

It is a cyclic number.

It is not a de Polignac number, because 3879397239 - 2³ = 3879397231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3879397231) 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, 646566204 + ... + 646566209.

It is an arithmetic number, because the mean of its divisors is an integer number (1293132414).

Almost surely, 2^3879397239 is an apocalyptic number.

3879397239 is a deficient number, since it is larger than the sum of its proper divisors (1293132417).

3879397239 is a wasteful number, since it uses less digits than its factorization.

3879397239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293132416.

The product of its digits is 15431472, while the sum is 60.

The square root of 3879397239 is about 62284.8074493291. The cubic root of 3879397239 is about 1571.2842264018.

The spelling of 3879397239 in words is "three billion, eight hundred seventy-nine million, three hundred ninety-seven thousand, two hundred thirty-nine".