9828155 has 4 divisors (see below), whose sum is σ = 11793792. Its totient is φ = 7862520.

The previous prime is 9828127. The next prime is 9828167. The reversal of 9828155 is 5518289.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9828155 - 2¹⁰ = 9827131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982811 + ... + 982820.

It is an arithmetic number, because the mean of its divisors is an integer number (2948448).

Almost surely, 2^9828155 is an apocalyptic number.

9828155 is a deficient number, since it is larger than the sum of its proper divisors (1965637).

9828155 is a wasteful number, since it uses less digits than its factorization.

9828155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965636.

The product of its digits is 28800, while the sum is 38.

The square root of 9828155 is about 3134.9888357058. The cubic root of 9828155 is about 214.2022355259.

The spelling of 9828155 in words is "nine million, eight hundred twenty-eight thousand, one hundred fifty-five".