673824838 has 8 divisors (see below), whose sum is σ = 1010956032. Its totient is φ = 336839496.

The previous prime is 673824779. The next prime is 673824839. The reversal of 673824838 is 838428376.

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 = 673824791 and 673824800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673824839) 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, 24070 + ... + 43897.

It is an arithmetic number, because the mean of its divisors is an integer number (126369504).

Almost surely, 2^673824838 is an apocalyptic number.

673824838 is a deficient number, since it is larger than the sum of its proper divisors (337131194).

673824838 is a wasteful number, since it uses less digits than its factorization.

673824838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72926.

The product of its digits is 1548288, while the sum is 49.

The square root of 673824838 is about 25958.1362582139. The cubic root of 673824838 is about 876.6959598964.

The spelling of 673824838 in words is "six hundred seventy-three million, eight hundred twenty-four thousand, eight hundred thirty-eight".