998673794 has 8 divisors (see below), whose sum is σ = 1502093568. Its totient is φ = 497975940.

The previous prime is 998673791. The next prime is 998673803. The reversal of 998673794 is 497376899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (998673791) 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, 679562 + ... + 681029.

It is an arithmetic number, because the mean of its divisors is an integer number (187761696).

Almost surely, 2^998673794 is an apocalyptic number.

998673794 is a deficient number, since it is larger than the sum of its proper divisors (503419774).

998673794 is a wasteful number, since it uses less digits than its factorization.

998673794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360960.

The product of its digits is 20575296, while the sum is 62.

The square root of 998673794 is about 31601.8004866811. The cubic root of 998673794 is about 999.5577357645.

The spelling of 998673794 in words is "nine hundred ninety-eight million, six hundred seventy-three thousand, seven hundred ninety-four".