339631 has 2 divisors, whose sum is σ = 339632. Its totient is φ = 339630.

The previous prime is 339617. The next prime is 339637. The reversal of 339631 is 136933.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 339631 - 2¹¹ = 337583 is a prime.

It is a super-2 number, since 2×339631² = 230698432322, which contains 22 as substring.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 339596 and 339605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339637) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169815 + 169816.

It is an arithmetic number, because the mean of its divisors is an integer number (169816).

2³³⁹⁶³¹ is an apocalyptic number.

339631 is a deficient number, since it is larger than the sum of its proper divisors (1).

339631 is an equidigital number, since it uses as much as digits as its factorization.

339631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 25.

The square root of 339631 is about 582.7786886975. The cubic root of 339631 is about 69.7700618456.

The spelling of 339631 in words is "three hundred thirty-nine thousand, six hundred thirty-one".