406868342 has 16 divisors (see below), whose sum is σ = 614822400. Its totient is φ = 201933480.

The previous prime is 406868339. The next prime is 406868351. The reversal of 406868342 is 243868604.

It is a self number, because there is not a number n which added to its sum of digits gives 406868342.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 170417 + ... + 172787.

It is an arithmetic number, because the mean of its divisors is an integer number (38426400).

Almost surely, 2^406868342 is an apocalyptic number.

406868342 is a deficient number, since it is larger than the sum of its proper divisors (207954058).

406868342 is a wasteful number, since it uses less digits than its factorization.

406868342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971.

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 406868342 is about 20170.9777155199. The cubic root of 406868342 is about 740.9995877959. Note that the first 3 decimals are identical.

The spelling of 406868342 in words is "four hundred six million, eight hundred sixty-eight thousand, three hundred forty-two".