9998469 has 24 divisors (see below), whose sum is σ = 15731352. Its totient is φ = 6082560.

The previous prime is 9998459. The next prime is 9998479. The reversal of 9998469 is 9648999.

It is a happy number.

9998469 is a `hidden beast` number, since 99 + 98 + 469 = 666.

It is an interprime number because it is at equal distance from previous prime (9998459) and next prime (9998479).

It can be written as a sum of positive squares in 4 ways, for example, as 225 + 9998244 = 15^2 + 3162^2 .

It is not a de Polignac number, because 9998469 - 2⁹ = 9997957 is a prime.

It is a super-2 number, since 2×9998469² = 199938764687922, which contains 22 as substring.

9998469 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9998459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10909 + ... + 11789.

It is an arithmetic number, because the mean of its divisors is an integer number (655473).

Almost surely, 2^9998469 is an apocalyptic number.

It is an amenable number.

9998469 is a deficient number, since it is larger than the sum of its proper divisors (5732883).

9998469 is a wasteful number, since it uses less digits than its factorization.

9998469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 994 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 9998469 is about 3162.0355785475. The cubic root of 9998469 is about 215.4324736437.

The spelling of 9998469 in words is "nine million, nine hundred ninety-eight thousand, four hundred sixty-nine".