506040298 has 4 divisors (see below), whose sum is σ = 759060450. Its totient is φ = 253020148.

The previous prime is 506040289. The next prime is 506040299. The reversal of 506040298 is 892040605.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 892040605 = 5 ⋅178408121.

It can be written as a sum of positive squares in only one way, i.e., 341251729 + 164788569 = 18473^2 + 12837^2 .

It is not an unprimeable number, because it can be changed into a prime (506040299) 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 as a sum of consecutive naturals, namely, 126510073 + ... + 126510076.

Almost surely, 2^506040298 is an apocalyptic number.

506040298 is a deficient number, since it is larger than the sum of its proper divisors (253020152).

506040298 is a wasteful number, since it uses less digits than its factorization.

506040298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253020151.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 506040298 is about 22495.3394728775. The cubic root of 506040298 is about 796.8838664409.

The spelling of 506040298 in words is "five hundred six million, forty thousand, two hundred ninety-eight".