501469866 has 24 divisors (see below), whose sum is σ = 1126760544. Its totient is φ = 167156460.

The previous prime is 501469849. The next prime is 501469867. The reversal of 501469866 is 668964105.

501469866 is a `hidden beast` number, since 501 + 4 + 69 + 86 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (501469867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515430 + ... + 516401.

It is an arithmetic number, because the mean of its divisors is an integer number (46948356).

Almost surely, 2^501469866 is an apocalyptic number.

501469866 is an abundant number, since it is smaller than the sum of its proper divisors (625290678).

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

501469866 is a wasteful number, since it uses less digits than its factorization.

501469866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031848 (or 1031836 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 501469866 is about 22393.5228581838. The cubic root of 501469866 is about 794.4775207069.

The spelling of 501469866 in words is "five hundred one million, four hundred sixty-nine thousand, eight hundred sixty-six".