498128535 has 40 divisors (see below), whose sum is σ = 894792096. Its totient is φ = 265118400.

The previous prime is 498128483. The next prime is 498128581. The reversal of 498128535 is 535821894.

498128535 is a `hidden beast` number, since 4 + 98 + 1 + 28 + 535 = 666.

It is not a de Polignac number, because 498128535 - 2⁹ = 498128023 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 261085 + ... + 262985.

Almost surely, 2^498128535 is an apocalyptic number.

498128535 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

498128535 is a deficient number, since it is larger than the sum of its proper divisors (396663561).

498128535 is a wasteful number, since it uses less digits than its factorization.

498128535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2556 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 498128535 is about 22318.7933141557. The cubic root of 498128535 is about 792.7090327534.

The spelling of 498128535 in words is "four hundred ninety-eight million, one hundred twenty-eight thousand, five hundred thirty-five".