998936798 has 8 divisors (see below), whose sum is σ = 1500451608. Its totient is φ = 498786264.

The previous prime is 998936797. The next prime is 998936803. The reversal of 998936798 is 897639899.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998936797) 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, 339236 + ... + 342167.

It is an arithmetic number, because the mean of its divisors is an integer number (187556451).

Almost surely, 2^998936798 is an apocalyptic number.

998936798 is a deficient number, since it is larger than the sum of its proper divisors (501514810).

998936798 is a wasteful number, since it uses less digits than its factorization.

998936798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682138.

The product of its digits is 52907904, while the sum is 68.

The square root of 998936798 is about 31605.9614313503. The cubic root of 998936798 is about 999.6454736593.

The spelling of 998936798 in words is "nine hundred ninety-eight million, nine hundred thirty-six thousand, seven hundred ninety-eight".