506486990 has 32 divisors (see below), whose sum is σ = 990627840. Its totient is φ = 185738400.

The previous prime is 506486989. The next prime is 506487011. The reversal of 506486990 is 99684605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37106 + ... + 48885.

It is an arithmetic number, because the mean of its divisors is an integer number (30957120).

Almost surely, 2^506486990 is an apocalyptic number.

506486990 is a deficient number, since it is larger than the sum of its proper divisors (484140850).

506486990 is a wasteful number, since it uses less digits than its factorization.

506486990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86048.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 506486990 is about 22505.2658282456. The cubic root of 506486990 is about 797.1182726483.

The spelling of 506486990 in words is "five hundred six million, four hundred eighty-six thousand, nine hundred ninety".