394345 has 16 divisors (see below), whose sum is σ = 570240. Its totient is φ = 255744.

The previous prime is 394327. The next prime is 394357. The reversal of 394345 is 543493.

It is a cyclic number.

It is not a de Polignac number, because 394345 - 2¹¹ = 392297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2³⁹⁴³⁴⁵ is an apocalyptic number.

394345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

394345 is a deficient number, since it is larger than the sum of its proper divisors (175895).

394345 is a wasteful number, since it uses less digits than its factorization.

394345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its digits is 6480, while the sum is 28.

The square root of 394345 is about 627.9689482769. The cubic root of 394345 is about 73.3317607560.

The spelling of 394345 in words is "three hundred ninety-four thousand, three hundred forty-five".