840300165 has 24 divisors (see below), whose sum is σ = 1457284608. Its totient is φ = 447924960.

The previous prime is 840300133. The next prime is 840300173. The reversal of 840300165 is 561003048.

840300165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 840300165 - 2⁵ = 840300133 is a prime.

It is a super-2 number, since 2×840300165² = 1412208734598054450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112992 + ... + 120198.

It is an arithmetic number, because the mean of its divisors is an integer number (60720192).

Almost surely, 2^840300165 is an apocalyptic number.

It is an amenable number.

840300165 is a deficient number, since it is larger than the sum of its proper divisors (616984443).

840300165 is a wasteful number, since it uses less digits than its factorization.

840300165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9809 (or 9806 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 840300165 is about 28987.9313680711. The cubic root of 840300165 is about 943.6511705056.

The spelling of 840300165 in words is "eight hundred forty million, three hundred thousand, one hundred sixty-five".