99998460 has 72 divisors (see below), whose sum is σ = 304392816. Its totient is φ = 26572800.

The previous prime is 99998449. The next prime is 99998473. The reversal of 99998460 is 6489999.

It is a happy number.

99998460 is a `hidden beast` number, since 9 + 99 + 98 + 460 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 99998397 and 99998406.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 61660 + ... + 63260.

It is an arithmetic number, because the mean of its divisors is an integer number (4227678).

Almost surely, 2^99998460 is an apocalyptic number.

99998460 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99998460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152196408).

99998460 is an abundant number, since it is smaller than the sum of its proper divisors (204394356).

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

99998460 is a wasteful number, since it uses less digits than its factorization.

99998460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963 (or 1958 counting only the distinct ones).

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

The square root of 99998460 is about 9999.9229997035. The cubic root of 99998460 is about 464.1565006668.

The spelling of 99998460 in words is "ninety-nine million, nine hundred ninety-eight thousand, four hundred sixty".