506998744 has 32 divisors (see below), whose sum is σ = 1088697600. Its totient is φ = 216830880.

The previous prime is 506998711. The next prime is 506998771. The reversal of 506998744 is 447899605.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 506998691 and 506998700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18277 + ... + 36715.

It is an arithmetic number, because the mean of its divisors is an integer number (34021800).

Almost surely, 2^506998744 is an apocalyptic number.

It is an amenable number.

506998744 is an abundant number, since it is smaller than the sum of its proper divisors (581698856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506998744 is a wasteful number, since it uses less digits than its factorization.

506998744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18943 (or 18939 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 506998744 is about 22516.6326079190. The cubic root of 506998744 is about 797.3866514744.

The spelling of 506998744 in words is "five hundred six million, nine hundred ninety-eight thousand, seven hundred forty-four".