394264427 has 4 divisors (see below), whose sum is σ = 394304856. Its totient is φ = 394224000.

The previous prime is 394264399. The next prime is 394264433. The reversal of 394264427 is 724462493.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 394264427 - 2⁶ = 394264363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394264447) 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, 4427 + ... + 28427.

It is an arithmetic number, because the mean of its divisors is an integer number (98576214).

Almost surely, 2^394264427 is an apocalyptic number.

394264427 is a deficient number, since it is larger than the sum of its proper divisors (40429).

394264427 is a wasteful number, since it uses less digits than its factorization.

394264427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40428.

The product of its digits is 290304, while the sum is 41.

The square root of 394264427 is about 19856.0929439807. The cubic root of 394264427 is about 733.2676600738.

The spelling of 394264427 in words is "three hundred ninety-four million, two hundred sixty-four thousand, four hundred twenty-seven".