840220246 has 8 divisors (see below), whose sum is σ = 1260495720. Its totient is φ = 420055008.

The previous prime is 840220217. The next prime is 840220273. The reversal of 840220246 is 642022048.

840220246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4716 + ... + 41263.

It is an arithmetic number, because the mean of its divisors is an integer number (157561965).

Almost surely, 2^840220246 is an apocalyptic number.

840220246 is a deficient number, since it is larger than the sum of its proper divisors (420275474).

840220246 is a wasteful number, since it uses less digits than its factorization.

840220246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55118.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 840220246 is about 28986.5528478293. The cubic root of 840220246 is about 943.6212533990.

The spelling of 840220246 in words is "eight hundred forty million, two hundred twenty thousand, two hundred forty-six".