506998769 has 12 divisors (see below), whose sum is σ = 555959808. Its totient is φ = 461774400.

The previous prime is 506998711. The next prime is 506998771. The reversal of 506998769 is 967899605.

It is not a de Polignac number, because 506998769 - 2¹² = 506994673 is a prime.

It is a super-2 number, since 2×506998769² = 514095503535030722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506998369) 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 in 11 ways as a sum of consecutive naturals, for example, 19337 + ... + 37254.

It is an arithmetic number, because the mean of its divisors is an integer number (46329984).

Almost surely, 2^506998769 is an apocalyptic number.

It is an amenable number.

506998769 is a deficient number, since it is larger than the sum of its proper divisors (48961039).

506998769 is a wasteful number, since it uses less digits than its factorization.

506998769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56656 (or 56639 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 59.

The square root of 506998769 is about 22516.6331630641. The cubic root of 506998769 is about 797.3866645807.

The spelling of 506998769 in words is "five hundred six million, nine hundred ninety-eight thousand, seven hundred sixty-nine".