673996898 has 4 divisors (see below), whose sum is σ = 1010995350. Its totient is φ = 336998448.

The previous prime is 673996891. The next prime is 673996903. The reversal of 673996898 is 898699376.

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., 672209329 + 1787569 = 25927^2 + 1337^2 .

It is a super-3 number, since 3×673996898³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (673996891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168499223 + ... + 168499226.

Almost surely, 2^673996898 is an apocalyptic number.

673996898 is a deficient number, since it is larger than the sum of its proper divisors (336998452).

673996898 is a wasteful number, since it uses less digits than its factorization.

673996898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336998451.

The product of its digits is 35271936, while the sum is 65.

The square root of 673996898 is about 25961.4502291378. The cubic root of 673996898 is about 876.7705744752.

The spelling of 673996898 in words is "six hundred seventy-three million, nine hundred ninety-six thousand, eight hundred ninety-eight".