320071406 has 8 divisors (see below), whose sum is σ = 485891784. Its totient is φ = 158107480.

The previous prime is 320071327. The next prime is 320071417. The reversal of 320071406 is 604170023.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963905 + ... + 964236.

It is an arithmetic number, because the mean of its divisors is an integer number (60736473).

Almost surely, 2^320071406 is an apocalyptic number.

320071406 is a deficient number, since it is larger than the sum of its proper divisors (165820378).

320071406 is a wasteful number, since it uses less digits than its factorization.

320071406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928226.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 320071406 is about 17890.5395670449. The cubic root of 320071406 is about 684.0412509463.

The spelling of 320071406 in words is "three hundred twenty million, seventy-one thousand, four hundred six".