500549890 has 16 divisors (see below), whose sum is σ = 901248120. Its totient is φ = 200162560.

The previous prime is 500549879. The next prime is 500549891. The reversal of 500549890 is 98945005.

It can be written as a sum of positive squares in 4 ways, for example, as 313325401 + 187224489 = 17701^2 + 13683^2 .

It is not an unprimeable number, because it can be changed into a prime (500549891) 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, 55626 + ... + 63994.

Almost surely, 2^500549890 is an apocalyptic number.

500549890 is a deficient number, since it is larger than the sum of its proper divisors (400698230).

500549890 is a wasteful number, since it uses less digits than its factorization.

500549890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14357.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 500549890 is about 22372.9723103570. The cubic root of 500549890 is about 793.9913847048.

The spelling of 500549890 in words is "five hundred million, five hundred forty-nine thousand, eight hundred ninety".