394229743 has 8 divisors (see below), whose sum is σ = 397557216. Its totient is φ = 390912000.

The previous prime is 394229723. The next prime is 394229753. The reversal of 394229743 is 347922493.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394229743 is a prime.

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 394229743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394229723) 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, 94755 + ... + 98827.

It is an arithmetic number, because the mean of its divisors is an integer number (49694652).

Almost surely, 2^394229743 is an apocalyptic number.

394229743 is a deficient number, since it is larger than the sum of its proper divisors (3327473).

394229743 is a wasteful number, since it uses less digits than its factorization.

394229743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865.

The product of its digits is 326592, while the sum is 43.

The square root of 394229743 is about 19855.2195404634. The cubic root of 394229743 is about 733.2461572451.

The spelling of 394229743 in words is "three hundred ninety-four million, two hundred twenty-nine thousand, seven hundred forty-three".