506630998 has 4 divisors (see below), whose sum is σ = 759946500. Its totient is φ = 253315498.

The previous prime is 506630981. The next prime is 506631017. The reversal of 506630998 is 899036605.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126657748 + ... + 126657751.

It is an arithmetic number, because the mean of its divisors is an integer number (189986625).

Almost surely, 2^506630998 is an apocalyptic number.

506630998 is a deficient number, since it is larger than the sum of its proper divisors (253315502).

506630998 is a wasteful number, since it uses less digits than its factorization.

506630998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253315501.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 506630998 is about 22508.4650298504. The cubic root of 506630998 is about 797.1938129437.

The spelling of 506630998 in words is "five hundred six million, six hundred thirty thousand, nine hundred ninety-eight".