9998460 has 36 divisors (see below), whose sum is σ = 30329208. Its totient is φ = 2666208.

The previous prime is 9998459. The next prime is 9998479. The reversal of 9998460 is 648999.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27594 + ... + 27953.

It is an arithmetic number, because the mean of its divisors is an integer number (842478).

Almost surely, 2^9998460 is an apocalyptic number.

9998460 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9998460 is an abundant number, since it is smaller than the sum of its proper divisors (20330748).

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

9998460 is a wasteful number, since it uses less digits than its factorization.

9998460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55562 (or 55557 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9998460 is about 3162.0341554133. The cubic root of 9998460 is about 215.4324090040.

The spelling of 9998460 in words is "nine million, nine hundred ninety-eight thousand, four hundred sixty".