498659387 has 4 divisors (see below), whose sum is σ = 498803136. Its totient is φ = 498515640.

The previous prime is 498659363. The next prime is 498659401. The reversal of 498659387 is 783956894.

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

It is a cyclic number.

It is not a de Polignac number, because 498659387 - 2²⁴ = 481882171 is a prime.

It is a super-2 number, since 2×498659387² = 497322368486431538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498653387) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66539 + ... + 73652.

It is an arithmetic number, because the mean of its divisors is an integer number (124700784).

Almost surely, 2^498659387 is an apocalyptic number.

498659387 is a deficient number, since it is larger than the sum of its proper divisors (143749).

498659387 is a wasteful number, since it uses less digits than its factorization.

498659387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143748.

The product of its digits is 13063680, while the sum is 59.

The square root of 498659387 is about 22330.6826362295. The cubic root of 498659387 is about 792.9905275546.

The spelling of 498659387 in words is "four hundred ninety-eight million, six hundred fifty-nine thousand, three hundred eighty-seven".