1029998 has 8 divisors (see below), whose sum is σ = 1560600. Its totient is φ = 509800.

The previous prime is 1029989. The next prime is 1030019. The reversal of 1029998 is 8999201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2348 + ... + 2751.

It is an arithmetic number, because the mean of its divisors is an integer number (195075).

2^1029998 is an apocalyptic number.

1029998 is a deficient number, since it is larger than the sum of its proper divisors (530602).

1029998 is a wasteful number, since it uses less digits than its factorization.

1029998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 1029998 is about 1014.8881711795. Note that the first 3 decimals coincide. The cubic root of 1029998 is about 100.9900980392.

The spelling of 1029998 in words is "one million, twenty-nine thousand, nine hundred ninety-eight".