529998 has 16 divisors (see below), whose sum is σ = 1211520. Its totient is φ = 151416.

The previous prime is 529987. The next prime is 529999. The reversal of 529998 is 899925.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 12619 = 529998 / (5 + 2 + 9 + 9 + 9 + 8).

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 529998.

It is not an unprimeable number, because it can be changed into a prime (529999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6268 + ... + 6351.

It is an arithmetic number, because the mean of its divisors is an integer number (75720).

2⁵²⁹⁹⁹⁸ is an apocalyptic number.

529998 is an abundant number, since it is smaller than the sum of its proper divisors (681522).

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

529998 is a wasteful number, since it uses less digits than its factorization.

529998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631.

The product of its digits is 58320, while the sum is 42.

The square root of 529998 is about 728.0096153211. The cubic root of 529998 is about 80.9266215509.

It can be divided in two parts, 5 and 29998, that added together give a palindrome (30003).

The spelling of 529998 in words is "five hundred twenty-nine thousand, nine hundred ninety-eight".