319801634 has 8 divisors (see below), whose sum is σ = 479911068. Its totient is φ = 159831280.

The previous prime is 319801631. The next prime is 319801649. The reversal of 319801634 is 436108913.

It can be written as a sum of positive squares in 2 ways, for example, as 193126609 + 126675025 = 13897^2 + 11255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 319801594 and 319801603.

It is not an unprimeable number, because it can be changed into a prime (319801631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28817 + ... + 38340.

Almost surely, 2^319801634 is an apocalyptic number.

319801634 is a deficient number, since it is larger than the sum of its proper divisors (160109434).

319801634 is a wasteful number, since it uses less digits than its factorization.

319801634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69540.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 319801634 is about 17882.9984622266. The cubic root of 319801634 is about 683.8490156697.

The spelling of 319801634 in words is "three hundred nineteen million, eight hundred one thousand, six hundred thirty-four".