9801505 has 16 divisors (see below), whose sum is σ = 13521024. Its totient is φ = 6681600.

The previous prime is 9801461. The next prime is 9801523. The reversal of 9801505 is 5051089.

It is not a de Polignac number, because 9801505 - 2¹¹ = 9799457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6030 + ... + 7480.

It is an arithmetic number, because the mean of its divisors is an integer number (845064).

Almost surely, 2^9801505 is an apocalyptic number.

It is an amenable number.

9801505 is a deficient number, since it is larger than the sum of its proper divisors (3719519).

9801505 is a wasteful number, since it uses less digits than its factorization.

9801505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 9801505 is about 3130.7355365792. The cubic root of 9801505 is about 214.0084501860.

It can be divided in two parts, 980 and 1505, that added together give a triangular number (2485 = T₇₀).

The spelling of 9801505 in words is "nine million, eight hundred one thousand, five hundred five".