840301 has 12 divisors (see below), whose sum is σ = 1067040. Its totient is φ = 654360.

The previous prime is 840299. The next prime is 840319. The reversal of 840301 is 103048.

It is not a de Polignac number, because 840301 - 2¹ = 840299 is a prime.

It is a super-2 number, since 2×840301² = 1412211541202, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840331) 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 11 ways as a sum of consecutive naturals, for example, 241 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (88920).

2⁸⁴⁰³⁰¹ is an apocalyptic number.

It is an amenable number.

840301 is a deficient number, since it is larger than the sum of its proper divisors (226739).

840301 is a wasteful number, since it uses less digits than its factorization.

840301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 840301 is about 916.6793332458. The cubic root of 840301 is about 94.3651483072.

Adding to 840301 its reverse (103048), we get a palindrome (943349).

The spelling of 840301 in words is "eight hundred forty thousand, three hundred one".