394094121 has 8 divisors (see below), whose sum is σ = 548304960. Its totient is φ = 251306352.

The previous prime is 394094117. The next prime is 394094131. The reversal of 394094121 is 121490493.

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

It is not a de Polignac number, because 394094121 - 2² = 394094117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (394094111) 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, 2855686 + ... + 2855823.

It is an arithmetic number, because the mean of its divisors is an integer number (68538120).

Almost surely, 2^394094121 is an apocalyptic number.

It is an amenable number.

394094121 is a deficient number, since it is larger than the sum of its proper divisors (154210839).

394094121 is a wasteful number, since it uses less digits than its factorization.

394094121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711535.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 394094121 is about 19851.8039734428. The cubic root of 394094121 is about 733.1620643883.

The spelling of 394094121 in words is "three hundred ninety-four million, ninety-four thousand, one hundred twenty-one".