394929493 has 8 divisors (see below), whose sum is σ = 455817600. Its totient is φ = 335158800.

The previous prime is 394929473. The next prime is 394929503.

394929493 is nontrivially palindromic in base 10.

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 394929493 - 2⁵ = 394929461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 394929493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394929413) 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, 278593 + ... + 280006.

It is an arithmetic number, because the mean of its divisors is an integer number (56977200).

Almost surely, 2^394929493 is an apocalyptic number.

It is an amenable number.

394929493 is a deficient number, since it is larger than the sum of its proper divisors (60888107).

394929493 is a wasteful number, since it uses less digits than its factorization.

394929493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558707.

The product of its digits is 1889568, while the sum is 52.

The square root of 394929493 is about 19872.8330391014. The cubic root of 394929493 is about 733.6797332942.

The spelling of 394929493 in words is "three hundred ninety-four million, nine hundred twenty-nine thousand, four hundred ninety-three".