673854338 has 4 divisors (see below), whose sum is σ = 1010781510. Its totient is φ = 336927168.

The previous prime is 673854319. The next prime is 673854343. The reversal of 673854338 is 833458376.

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

It can be written as a sum of positive squares in only one way, i.e., 468419449 + 205434889 = 21643^2 + 14333^2 .

It is a junction number, because it is equal to n+sod(n) for n = 673854292 and 673854301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168463583 + ... + 168463586.

Almost surely, 2^673854338 is an apocalyptic number.

673854338 is a deficient number, since it is larger than the sum of its proper divisors (336927172).

673854338 is a wasteful number, since it uses less digits than its factorization.

673854338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336927171.

The product of its digits is 1451520, while the sum is 47.

The square root of 673854338 is about 25958.7044746074. The cubic root of 673854338 is about 876.7087536038.

The spelling of 673854338 in words is "six hundred seventy-three million, eight hundred fifty-four thousand, three hundred thirty-eight".