998803929 has 4 divisors (see below), whose sum is σ = 1331738576. Its totient is φ = 665869284.

The previous prime is 998803903. The next prime is 998803943. The reversal of 998803929 is 929308899.

998803929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 998803929 - 2⁷ = 998803801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998803999) 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, 166467319 + ... + 166467324.

It is an arithmetic number, because the mean of its divisors is an integer number (332934644).

Almost surely, 2^998803929 is an apocalyptic number.

It is an amenable number.

998803929 is a deficient number, since it is larger than the sum of its proper divisors (332934647).

998803929 is a wasteful number, since it uses less digits than its factorization.

998803929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332934646.

The product of its (nonzero) digits is 2519424, while the sum is 57.

The square root of 998803929 is about 31603.8594003960. The cubic root of 998803929 is about 999.6011506070.

The spelling of 998803929 in words is "nine hundred ninety-eight million, eight hundred three thousand, nine hundred twenty-nine".