394399267 has 8 divisors (see below), whose sum is σ = 410728320. Its totient is φ = 378295680.

The previous prime is 394399261. The next prime is 394399273. The reversal of 394399267 is 762993493.

It is an interprime number because it is at equal distance from previous prime (394399261) and next prime (394399273).

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 394399267 - 2³ = 394399259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394399261) 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, 52792 + ... + 59797.

It is an arithmetic number, because the mean of its divisors is an integer number (51341040).

Almost surely, 2^394399267 is an apocalyptic number.

394399267 is a deficient number, since it is larger than the sum of its proper divisors (16329053).

394399267 is a wasteful number, since it uses less digits than its factorization.

394399267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112733.

The product of its digits is 2204496, while the sum is 52.

The square root of 394399267 is about 19859.4880850439. The cubic root of 394399267 is about 733.3512440300.

The spelling of 394399267 in words is "three hundred ninety-four million, three hundred ninety-nine thousand, two hundred sixty-seven".