673958898 has 54 divisors (see below), whose sum is σ = 1519535277. Its totient is φ = 215878320.

The previous prime is 673958837. The next prime is 673958917. The reversal of 673958898 is 898859376.

It can be written as a sum of positive squares in 2 ways, for example, as 673558209 + 400689 = 25953^2 + 633^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=18357.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3194013 + ... + 3194223.

Almost surely, 2^673958898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673958898

673958898 is an abundant number, since it is smaller than the sum of its proper divisors (845576379).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673958898 is a wasteful number, since it uses less digits than its factorization.

673958898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 245 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 673958898 is about 25960.7183644829. The cubic root of 673958898 is about 876.7540967000.

The spelling of 673958898 in words is "six hundred seventy-three million, nine hundred fifty-eight thousand, eight hundred ninety-eight".