673659238 has 16 divisors (see below), whose sum is σ = 1222776864. Its totient is φ = 271728000.

The previous prime is 673659223. The next prime is 673659253. The reversal of 673659238 is 832956376.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (673659223) and next prime (673659253).

It is a junction number, because it is equal to n+sod(n) for n = 673659191 and 673659200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415013 + ... + 1415488.

It is an arithmetic number, because the mean of its divisors is an integer number (76423554).

Almost surely, 2^673659238 is an apocalyptic number.

673659238 is a deficient number, since it is larger than the sum of its proper divisors (549117626).

673659238 is a wasteful number, since it uses less digits than its factorization.

673659238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830527.

The product of its digits is 1632960, while the sum is 49.

The square root of 673659238 is about 25954.9463108672. The cubic root of 673659238 is about 876.6241347287.

The spelling of 673659238 in words is "six hundred seventy-three million, six hundred fifty-nine thousand, two hundred thirty-eight".