506673844 has 6 divisors (see below), whose sum is σ = 886679234. Its totient is φ = 253336920.

The previous prime is 506673841. The next prime is 506673851. The reversal of 506673844 is 448376605.

It can be written as a sum of positive squares in only one way, i.e., 361760400 + 144913444 = 19020^2 + 12038^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 506673844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506673841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63334227 + ... + 63334234.

Almost surely, 2^506673844 is an apocalyptic number.

It is an amenable number.

506673844 is a deficient number, since it is larger than the sum of its proper divisors (380005390).

506673844 is a wasteful number, since it uses less digits than its factorization.

506673844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126668465 (or 126668463 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 506673844 is about 22509.4167849813. The cubic root of 506673844 is about 797.2162853174.

The spelling of 506673844 in words is "five hundred six million, six hundred seventy-three thousand, eight hundred forty-four".