501098 has 8 divisors (see below), whose sum is σ = 809508. Its totient is φ = 231264.

The previous prime is 501089. The next prime is 501103. The reversal of 501098 is 890105.

It can be written as a sum of positive squares in 2 ways, for example, as 494209 + 6889 = 703^2 + 83^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

501098 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9611 + ... + 9662.

2⁵⁰¹⁰⁹⁸ is an apocalyptic number.

501098 is a deficient number, since it is larger than the sum of its proper divisors (308410).

501098 is a wasteful number, since it uses less digits than its factorization.

501098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19288.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 501098 is about 707.8827586543. The cubic root of 501098 is about 79.4281090003.

The spelling of 501098 in words is "five hundred one thousand, ninety-eight".