394465406 has 8 divisors (see below), whose sum is σ = 601398264. Its totient is φ = 193999320.

The previous prime is 394465373. The next prime is 394465411. The reversal of 394465406 is 604564493.

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, 1616540 + ... + 1616783.

It is an arithmetic number, because the mean of its divisors is an integer number (75174783).

Almost surely, 2^394465406 is an apocalyptic number.

394465406 is a deficient number, since it is larger than the sum of its proper divisors (206932858).

394465406 is a wasteful number, since it uses less digits than its factorization.

394465406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233386.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 394465406 is about 19861.1531890774. The cubic root of 394465406 is about 733.3922349842.

The spelling of 394465406 in words is "three hundred ninety-four million, four hundred sixty-five thousand, four hundred six".