998361023 has 48 divisors (see below), whose sum is σ = 1271966976. Its totient is φ = 772865280.

The previous prime is 998360969. The next prime is 998361071. The reversal of 998361023 is 320163899.

It is not a de Polignac number, because 998361023 - 2⁸ = 998360767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998361083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1552340 + ... + 1552982.

It is an arithmetic number, because the mean of its divisors is an integer number (26499312).

Almost surely, 2^998361023 is an apocalyptic number.

998361023 is a deficient number, since it is larger than the sum of its proper divisors (273605953).

998361023 is a wasteful number, since it uses less digits than its factorization.

998361023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 998361023 is about 31596.8514728920. The cubic root of 998361023 is about 999.4533755895.

The spelling of 998361023 in words is "nine hundred ninety-eight million, three hundred sixty-one thousand, twenty-three".