506998297 has 8 divisors (see below), whose sum is σ = 549350144. Its totient is φ = 465125328.

The previous prime is 506998249. The next prime is 506998301. The reversal of 506998297 is 792899605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 506998297 - 2²³ = 498609689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506998697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117513 + ... + 121750.

It is an arithmetic number, because the mean of its divisors is an integer number (68668768).

Almost surely, 2^506998297 is an apocalyptic number.

It is an amenable number.

506998297 is a deficient number, since it is larger than the sum of its proper divisors (42351847).

506998297 is a wasteful number, since it uses less digits than its factorization.

506998297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239439.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 506998297 is about 22516.6226819210. The cubic root of 506998297 is about 797.3864171333.

It can be divided in two parts, 50699 and 8297, that added together give a triangular number (58996 = T₃₄₃).

The spelling of 506998297 in words is "five hundred six million, nine hundred ninety-eight thousand, two hundred ninety-seven".