394907343 has 16 divisors (see below), whose sum is σ = 554709120. Its totient is φ = 249211296.

The previous prime is 394907311. The next prime is 394907353. The reversal of 394907343 is 343709493.

It is not a de Polignac number, because 394907343 - 2⁵ = 394907311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394907295 and 394907304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394907353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99921 + ... + 103797.

It is an arithmetic number, because the mean of its divisors is an integer number (34669320).

Almost surely, 2^394907343 is an apocalyptic number.

394907343 is a deficient number, since it is larger than the sum of its proper divisors (159801777).

394907343 is a wasteful number, since it uses less digits than its factorization.

394907343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686.

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 394907343 is about 19872.2757378213. The cubic root of 394907343 is about 733.6660166603. Note that the first 3 decimals are identical.

The spelling of 394907343 in words is "three hundred ninety-four million, nine hundred seven thousand, three hundred forty-three".