314638239 has 4 divisors (see below), whose sum is σ = 419517656. Its totient is φ = 209758824.

The previous prime is 314638237. The next prime is 314638279. The reversal of 314638239 is 932836413.

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

It is not a de Polignac number, because 314638239 - 2¹ = 314638237 is a prime.

It is a super-2 number, since 2×314638239² = 197994442882042242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314638197 and 314638206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314638237) 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, 52439704 + ... + 52439709.

It is an arithmetic number, because the mean of its divisors is an integer number (104879414).

Almost surely, 2^314638239 is an apocalyptic number.

314638239 is a deficient number, since it is larger than the sum of its proper divisors (104879417).

314638239 is a wasteful number, since it uses less digits than its factorization.

314638239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104879416.

The product of its digits is 93312, while the sum is 39.

The square root of 314638239 is about 17738.0449599160. The cubic root of 314638239 is about 680.1486403727.

The spelling of 314638239 in words is "three hundred fourteen million, six hundred thirty-eight thousand, two hundred thirty-nine".