394252943 has 8 divisors (see below), whose sum is σ = 457961760. Its totient is φ = 332390880.

The previous prime is 394252879. The next prime is 394252973. The reversal of 394252943 is 349252493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 394252943 - 2⁶ = 394252879 is a prime.

It is a super-2 number, since 2×394252943² = 310870766128322498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 394252943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394252973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461228 + ... + 462081.

It is an arithmetic number, because the mean of its divisors is an integer number (57245220).

Almost surely, 2^394252943 is an apocalyptic number.

394252943 is a deficient number, since it is larger than the sum of its proper divisors (63708817).

394252943 is an equidigital number, since it uses as much as digits as its factorization.

394252943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923377.

The product of its digits is 233280, while the sum is 41.

The square root of 394252943 is about 19855.8037611173. The cubic root of 394252943 is about 733.2605405478.

The spelling of 394252943 in words is "three hundred ninety-four million, two hundred fifty-two thousand, nine hundred forty-three".