469988 has 6 divisors (see below), whose sum is σ = 822486. Its totient is φ = 234992.

The previous prime is 469979. The next prime is 469993. The reversal of 469988 is 889964.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 107584 = 602^2 + 328^2 .

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 469988.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58745 + ... + 58752.

It is an arithmetic number, because the mean of its divisors is an integer number (137081).

2⁴⁶⁹⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

469988 is a deficient number, since it is larger than the sum of its proper divisors (352498).

469988 is a wasteful number, since it uses less digits than its factorization.

469988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117501 (or 117499 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 469988 is about 685.5567080848. The cubic root of 469988 is about 77.7491392674.

The spelling of 469988 in words is "four hundred sixty-nine thousand, nine hundred eighty-eight".