498492647 has 4 divisors (see below), whose sum is σ = 498562416. Its totient is φ = 498422880.

The previous prime is 498492623. The next prime is 498492661. The reversal of 498492647 is 746294894.

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 498492647 - 2⁶ = 498492583 is a prime.

It is a super-2 number, since 2×498492647² = 496989838226133218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498492667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22763 + ... + 38924.

It is an arithmetic number, because the mean of its divisors is an integer number (124640604).

Almost surely, 2^498492647 is an apocalyptic number.

498492647 is a deficient number, since it is larger than the sum of its proper divisors (69769).

498492647 is an equidigital number, since it uses as much as digits as its factorization.

498492647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69768.

The product of its digits is 3483648, while the sum is 53.

The square root of 498492647 is about 22326.9488958971. The cubic root of 498492647 is about 792.9021318920.

The spelling of 498492647 in words is "four hundred ninety-eight million, four hundred ninety-two thousand, six hundred forty-seven".