319906 has 12 divisors (see below), whose sum is σ = 513378. Its totient is φ = 148992.

The previous prime is 319901. The next prime is 319919. The reversal of 319906 is 609913.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 292681 + 27225 = 541^2 + 165^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3250 + ... + 3346.

2³¹⁹⁹⁰⁶ is an apocalyptic number.

319906 is a deficient number, since it is larger than the sum of its proper divisors (193472).

319906 is an equidigital number, since it uses as much as digits as its factorization.

319906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 319906 is about 565.6023338000. The cubic root of 319906 is about 68.3923398054.

It can be divided in two parts, 319 and 906, that added together give a triangular number (1225 = T₄₉).

The spelling of 319906 in words is "three hundred nineteen thousand, nine hundred six".