993498 has 16 divisors (see below), whose sum is σ = 2167776. Its totient is φ = 301040.

The previous prime is 993493. The next prime is 993527. The reversal of 993498 is 894399.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 993498.

It is not an unprimeable number, because it can be changed into a prime (993493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7461 + ... + 7592.

It is an arithmetic number, because the mean of its divisors is an integer number (135486).

2⁹⁹³⁴⁹⁸ is an apocalyptic number.

993498 is an abundant number, since it is smaller than the sum of its proper divisors (1174278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

993498 is a wasteful number, since it uses less digits than its factorization.

993498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15069.

The product of its digits is 69984, while the sum is 42.

The square root of 993498 is about 996.7436982495. The cubic root of 993498 is about 99.7827952291.

Subtracting from 993498 its reverse (894399), we obtain a palindrome (99099).

The spelling of 993498 in words is "nine hundred ninety-three thousand, four hundred ninety-eight".