9998465 has 32 divisors (see below), whose sum is σ = 13789440. Its totient is φ = 6912000.

The previous prime is 9998459. The next prime is 9998479. The reversal of 9998465 is 5648999.

9998465 = 153² + 154² + ... + 322².

It is not a de Polignac number, because 9998465 - 2¹⁰ = 9997441 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66140 + ... + 66290.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 2^9998465 is an apocalyptic number.

9998465 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9998465 is a deficient number, since it is larger than the sum of its proper divisors (3790975).

9998465 is a wasteful number, since it uses less digits than its factorization.

9998465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233.

The product of its digits is 699840, while the sum is 50.

The square root of 9998465 is about 3162.0349460434. The cubic root of 9998465 is about 215.4324449149.

The spelling of 9998465 in words is "nine million, nine hundred ninety-eight thousand, four hundred sixty-five".