1010998 has 8 divisors (see below), whose sum is σ = 1568880. Its totient is φ = 488040.

The previous prime is 1010993. The next prime is 1011001. The reversal of 1010998 is 8990101.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8658 + ... + 8773.

It is an arithmetic number, because the mean of its divisors is an integer number (196110).

2^1010998 is an apocalyptic number.

1010998 is a deficient number, since it is larger than the sum of its proper divisors (557882).

1010998 is a wasteful number, since it uses less digits than its factorization.

1010998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17462.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 1010998 is about 1005.4839630745. The cubic root of 1010998 is about 100.3652641962.

The spelling of 1010998 in words is "one million, ten thousand, nine hundred ninety-eight".