339987679 has 4 divisors (see below), whose sum is σ = 354769776. Its totient is φ = 325205584.

The previous prime is 339987673. The next prime is 339987701. The reversal of 339987679 is 976789933.

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 339987679 - 2⁵ = 339987647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339987673) 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, 7391014 + ... + 7391059.

It is an arithmetic number, because the mean of its divisors is an integer number (88692444).

Almost surely, 2^339987679 is an apocalyptic number.

339987679 is a deficient number, since it is larger than the sum of its proper divisors (14782097).

339987679 is a wasteful number, since it uses less digits than its factorization.

339987679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14782096.

The product of its digits is 15431472, while the sum is 61.

The square root of 339987679 is about 18438.7548115376. The cubic root of 339987679 is about 697.9447737249.

The spelling of 339987679 in words is "three hundred thirty-nine million, nine hundred eighty-seven thousand, six hundred seventy-nine".