319484447 has 2 divisors, whose sum is σ = 319484448. Its totient is φ = 319484446.

The previous prime is 319484413. The next prime is 319484461. The reversal of 319484447 is 744484913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 319484447 - 2¹² = 319480351 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 319484398 and 319484407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319484497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159742223 + 159742224.

It is an arithmetic number, because the mean of its divisors is an integer number (159742224).

Almost surely, 2^319484447 is an apocalyptic number.

319484447 is a deficient number, since it is larger than the sum of its proper divisors (1).

319484447 is an equidigital number, since it uses as much as digits as its factorization.

319484447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 44.

The square root of 319484447 is about 17874.1278668359. The cubic root of 319484447 is about 683.6228548815.

The spelling of 319484447 in words is "three hundred nineteen million, four hundred eighty-four thousand, four hundred forty-seven".