500290478 has 4 divisors (see below), whose sum is σ = 750435720. Its totient is φ = 250145238.

The previous prime is 500290477. The next prime is 500290481. The reversal of 500290478 is 874092005.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500290477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125072618 + ... + 125072621.

It is an arithmetic number, because the mean of its divisors is an integer number (187608930).

Almost surely, 2^500290478 is an apocalyptic number.

500290478 is a deficient number, since it is larger than the sum of its proper divisors (250145242).

500290478 is a wasteful number, since it uses less digits than its factorization.

500290478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250145241.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 500290478 is about 22367.1741174427. The cubic root of 500290478 is about 793.8541979233.

The spelling of 500290478 in words is "five hundred million, two hundred ninety thousand, four hundred seventy-eight".