840006371 has 2 divisors, whose sum is σ = 840006372. Its totient is φ = 840006370.

The previous prime is 840006353. The next prime is 840006407. The reversal of 840006371 is 173600048.

840006371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 840006371 - 2¹⁰ = 840005347 is a prime.

It is a super-2 number, since 2×840006371² = 1411221406641179282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (840006341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420003185 + 420003186.

It is an arithmetic number, because the mean of its divisors is an integer number (420003186).

Almost surely, 2^840006371 is an apocalyptic number.

840006371 is a deficient number, since it is larger than the sum of its proper divisors (1).

840006371 is an equidigital number, since it uses as much as digits as its factorization.

840006371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 840006371 is about 28982.8634023624. The cubic root of 840006371 is about 943.5411814881.

The spelling of 840006371 in words is "eight hundred forty million, six thousand, three hundred seventy-one".