394029213 has 8 divisors (see below), whose sum is σ = 556276608. Its totient is φ = 247233984.

The previous prime is 394029193. The next prime is 394029221. The reversal of 394029213 is 312920493.

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

It is not a de Polignac number, because 394029213 - 2⁶ = 394029149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394029263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3862981 + ... + 3863082.

It is an arithmetic number, because the mean of its divisors is an integer number (69534576).

Almost surely, 2^394029213 is an apocalyptic number.

It is an amenable number.

394029213 is a deficient number, since it is larger than the sum of its proper divisors (162247395).

394029213 is a wasteful number, since it uses less digits than its factorization.

394029213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726083.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 394029213 is about 19850.1690924788. The cubic root of 394029213 is about 733.1218111479.

It can be divided in two parts, 3940 and 29213, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 394029213 in words is "three hundred ninety-four million, twenty-nine thousand, two hundred thirteen".