998383 has 8 divisors (see below), whose sum is σ = 1044000. Its totient is φ = 953568.

The previous prime is 998381. The next prime is 998399. The reversal of 998383 is 383899.

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

It is a cyclic number.

It is not a de Polignac number, because 998383 - 2¹ = 998381 is a prime.

It is a super-2 number, since 2×998383² = 1993537229378, which contains 22 as substring.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998383.

It is not an unprimeable number, because it can be changed into a prime (998381) 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, 4918 + ... + 5116.

It is an arithmetic number, because the mean of its divisors is an integer number (130500).

2⁹⁹⁸³⁸³ is an apocalyptic number.

998383 is a deficient number, since it is larger than the sum of its proper divisors (45617).

998383 is a wasteful number, since it uses less digits than its factorization.

998383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401.

The product of its digits is 46656, while the sum is 40.

The square root of 998383 is about 999.1911728994. The cubic root of 998383 is about 99.9460709218.

The spelling of 998383 in words is "nine hundred ninety-eight thousand, three hundred eighty-three".