9955458 has 48 divisors (see below), whose sum is σ = 22800960. Its totient is φ = 3133152.

The previous prime is 9955453. The next prime is 9955459. The reversal of 9955458 is 8545599.

9955458 is a `hidden beast` number, since 99 + 554 + 5 + 8 = 666.

It is a super-2 number, since 2×9955458² = 198222287979528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9955453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57460 + ... + 57632.

It is an arithmetic number, because the mean of its divisors is an integer number (475020).

Almost surely, 2^9955458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9955458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11400480).

9955458 is an abundant number, since it is smaller than the sum of its proper divisors (12845502).

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

9955458 is a wasteful number, since it uses less digits than its factorization.

9955458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 340 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 9955458 is about 3155.2270916687. The cubic root of 9955458 is about 215.1231167939.

The spelling of 9955458 in words is "nine million, nine hundred fifty-five thousand, four hundred fifty-eight".