9855434 has 8 divisors (see below), whose sum is σ = 14847300. Its totient is φ = 4906336.

The previous prime is 9855413. The next prime is 9855437. The reversal of 9855434 is 4345589.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8427409 + 1428025 = 2903^2 + 1195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9855437) 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 3 ways as a sum of consecutive naturals, for example, 10109 + ... + 11040.

Almost surely, 2^9855434 is an apocalyptic number.

9855434 is a deficient number, since it is larger than the sum of its proper divisors (4991866).

9855434 is a wasteful number, since it uses less digits than its factorization.

9855434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21384.

The product of its digits is 86400, while the sum is 38.

The square root of 9855434 is about 3139.3365541146. The cubic root of 9855434 is about 214.4002321645.

The spelling of 9855434 in words is "nine million, eight hundred fifty-five thousand, four hundred thirty-four".