394093207 has 4 divisors (see below), whose sum is σ = 394146000. Its totient is φ = 394040416.

The previous prime is 394093169. The next prime is 394093211. The reversal of 394093207 is 702390493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394093207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394091207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12898 + ... + 30895.

It is an arithmetic number, because the mean of its divisors is an integer number (98536500).

Almost surely, 2^394093207 is an apocalyptic number.

394093207 is a deficient number, since it is larger than the sum of its proper divisors (52793).

394093207 is an equidigital number, since it uses as much as digits as its factorization.

394093207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52792.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 394093207 is about 19851.7809528516. The cubic root of 394093207 is about 733.1614975942.

The spelling of 394093207 in words is "three hundred ninety-four million, ninety-three thousand, two hundred seven".