498567897 has 6 divisors (see below), whose sum is σ = 720153642. Its totient is φ = 332378592.

The previous prime is 498567889. The next prime is 498567899. The reversal of 498567897 is 798765894.

498567897 is a `hidden beast` number, since 498 + 5 + 67 + 89 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 420086016 + 78481881 = 20496^2 + 8859^2 .

It is not a de Polignac number, because 498567897 - 2³ = 498567889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498567899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27698208 + ... + 27698225.

It is an arithmetic number, because the mean of its divisors is an integer number (120025607).

Almost surely, 2^498567897 is an apocalyptic number.

It is an amenable number.

498567897 is a deficient number, since it is larger than the sum of its proper divisors (221585745).

498567897 is a wasteful number, since it uses less digits than its factorization.

498567897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55396439 (or 55396436 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 498567897 is about 22328.6340155416. The cubic root of 498567897 is about 792.9420274209.

The spelling of 498567897 in words is "four hundred ninety-eight million, five hundred sixty-seven thousand, eight hundred ninety-seven".