9820141 has 4 divisors (see below), whose sum is σ = 9828000. Its totient is φ = 9812284.

The previous prime is 9820121. The next prime is 9820147. The reversal of 9820141 is 1410289.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9820141 - 2¹⁵ = 9787373 is a prime.

It is a Duffinian number.

9820141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9820147) 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, 1591 + ... + 4708.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 2^9820141 is an apocalyptic number.

It is an amenable number.

9820141 is a deficient number, since it is larger than the sum of its proper divisors (7859).

9820141 is a wasteful number, since it uses less digits than its factorization.

9820141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 9820141 is about 3133.7104205718. The cubic root of 9820141 is about 214.1439986371.

The spelling of 9820141 in words is "nine million, eight hundred twenty thousand, one hundred forty-one".