998933255 has 8 divisors (see below), whose sum is σ = 1218371424. Its totient is φ = 786045600.

The previous prime is 998933251. The next prime is 998933267. The reversal of 998933255 is 552339899.

It is a happy number.

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

It is not a de Polignac number, because 998933255 - 2² = 998933251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 998933197 and 998933206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998933251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1637291 + ... + 1637900.

It is an arithmetic number, because the mean of its divisors is an integer number (152296428).

Almost surely, 2^998933255 is an apocalyptic number.

998933255 is a deficient number, since it is larger than the sum of its proper divisors (219438169).

998933255 is a wasteful number, since it uses less digits than its factorization.

998933255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275257.

The product of its digits is 2624400, while the sum is 53.

The square root of 998933255 is about 31605.9053817479. The cubic root of 998933255 is about 999.6442918200.

The spelling of 998933255 in words is "nine hundred ninety-eight million, nine hundred thirty-three thousand, two hundred fifty-five".