498158 has 4 divisors (see below), whose sum is σ = 747240. Its totient is φ = 249078.

The previous prime is 498143. The next prime is 498163. The reversal of 498158 is 851894.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×498158² = 496322785928, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

498158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 124538 + ... + 124541.

It is an arithmetic number, because the mean of its divisors is an integer number (186810).

2⁴⁹⁸¹⁵⁸ is an apocalyptic number.

498158 is a deficient number, since it is larger than the sum of its proper divisors (249082).

498158 is a wasteful number, since it uses less digits than its factorization.

498158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249081.

The product of its digits is 11520, while the sum is 35.

The square root of 498158 is about 705.8030886869. The cubic root of 498158 is about 79.2724662395.

It can be divided in two parts, 498 and 158, that added together give a palindrome (656).

The spelling of 498158 in words is "four hundred ninety-eight thousand, one hundred fifty-eight".