840003422 has 8 divisors (see below), whose sum is σ = 1334123136. Its totient is φ = 395295712.

The previous prime is 840003383. The next prime is 840003491. The reversal of 840003422 is 224300048.

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, 12352958 + ... + 12353025.

It is an arithmetic number, because the mean of its divisors is an integer number (166765392).

Almost surely, 2^840003422 is an apocalyptic number.

840003422 is a deficient number, since it is larger than the sum of its proper divisors (494119714).

840003422 is a wasteful number, since it uses less digits than its factorization.

840003422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24706002.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 840003422 is about 28982.8125274274. The cubic root of 840003422 is about 943.5400773273.

The spelling of 840003422 in words is "eight hundred forty million, three thousand, four hundred twenty-two".