498989231 has 10 divisors (see below), whose sum is σ = 540601152. Its totient is φ = 460579080.

The previous prime is 498989221. The next prime is 498989233. The reversal of 498989231 is 132989894.

It is a de Polignac number, because none of the positive numbers 2^k-498989231 is a prime.

It is a super-2 number, since 2×498989231² = 497980505307942722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498989233) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19826 + ... + 37296.

Almost surely, 2^498989231 is an apocalyptic number.

498989231 is a deficient number, since it is larger than the sum of its proper divisors (41611921).

498989231 is an frugal number, since it uses more digits than its factorization.

498989231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17523 (or 17484 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The square root of 498989231 is about 22338.0668590637. The cubic root of 498989231 is about 793.1653332598.

The spelling of 498989231 in words is "four hundred ninety-eight million, nine hundred eighty-nine thousand, two hundred thirty-one".