394295397 has 16 divisors (see below), whose sum is σ = 549474240. Its totient is φ = 251177472.

The previous prime is 394295393. The next prime is 394295413. The reversal of 394295397 is 793592493.

It is not a de Polignac number, because 394295397 - 2² = 394295393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394295393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14923 + ... + 31800.

It is an arithmetic number, because the mean of its divisors is an integer number (34342140).

Almost surely, 2^394295397 is an apocalyptic number.

It is an amenable number.

394295397 is a deficient number, since it is larger than the sum of its proper divisors (155178843).

394295397 is a wasteful number, since it uses less digits than its factorization.

394295397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46852.

The product of its digits is 1837080, while the sum is 51.

The square root of 394295397 is about 19856.8727900443. The cubic root of 394295397 is about 733.2868592908.

The spelling of 394295397 in words is "three hundred ninety-four million, two hundred ninety-five thousand, three hundred ninety-seven".