498399 has 12 divisors (see below), whose sum is σ = 730968. Its totient is φ = 301840.

The previous prime is 498397. The next prime is 498401. The reversal of 498399 is 993894.

It is an interprime number because it is at equal distance from previous prime (498397) and next prime (498401).

It is not a de Polignac number, because 498399 - 2¹ = 498397 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 498399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (60914).

2⁴⁹⁸³⁹⁹ is an apocalyptic number.

498399 is a deficient number, since it is larger than the sum of its proper divisors (232569).

498399 is a wasteful number, since it uses less digits than its factorization.

498399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1387 counting only the distinct ones).

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

The square root of 498399 is about 705.9737955477. The cubic root of 498399 is about 79.2852477160.

It can be divided in two parts, 49 and 8399, that added together give a palindrome (8448).

The spelling of 498399 in words is "four hundred ninety-eight thousand, three hundred ninety-nine".