999999465 has 8 divisors (see below), whose sum is σ = 1599999168. Its totient is φ = 533333040.

The previous prime is 999999433. The next prime is 999999487. The reversal of 999999465 is 564999999.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 999999465 - 2⁵ = 999999433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 999999465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33333301 + ... + 33333330.

It is an arithmetic number, because the mean of its divisors is an integer number (199999896).

Almost surely, 2^999999465 is an apocalyptic number.

It is an amenable number.

999999465 is a deficient number, since it is larger than the sum of its proper divisors (599999703).

999999465 is a wasteful number, since it uses less digits than its factorization.

999999465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66666639.

The product of its digits is 63772920, while the sum is 69.

The square root of 999999465 is about 31622.7681425899. The cubic root of 999999465 is about 999.9998216666. Note that the first 3 decimals are identical.

The spelling of 999999465 in words is "nine hundred ninety-nine million, nine hundred ninety-nine thousand, four hundred sixty-five".