9802105 has 4 divisors (see below), whose sum is σ = 11762532. Its totient is φ = 7841680.

The previous prime is 9802103. The next prime is 9802109. The reversal of 9802105 is 5012089.

9802105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5012089 = 1021 ⋅4909.

It can be written as a sum of positive squares in 2 ways, for example, as 6007401 + 3794704 = 2451^2 + 1948^2 .

It is not a de Polignac number, because 9802105 - 2¹ = 9802103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9802105.

It is not an unprimeable number, because it can be changed into a prime (9802103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980206 + ... + 980215.

It is an arithmetic number, because the mean of its divisors is an integer number (2940633).

Almost surely, 2^9802105 is an apocalyptic number.

It is an amenable number.

9802105 is a deficient number, since it is larger than the sum of its proper divisors (1960427).

9802105 is a wasteful number, since it uses less digits than its factorization.

9802105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960426.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 9802105 is about 3130.8313592399. The cubic root of 9802105 is about 214.0128169457.

The spelling of 9802105 in words is "nine million, eight hundred two thousand, one hundred five".