394264426 has 8 divisors (see below), whose sum is σ = 593935524. Its totient is φ = 196285920.

The previous prime is 394264399. The next prime is 394264433. The reversal of 394264426 is 624462493.

It can be written as a sum of positive squares in 2 ways, for example, as 387499225 + 6765201 = 19685^2 + 2601^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422565 + ... + 423496.

Almost surely, 2^394264426 is an apocalyptic number.

394264426 is a deficient number, since it is larger than the sum of its proper divisors (199671098).

394264426 is a wasteful number, since it uses less digits than its factorization.

394264426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846296.

The product of its digits is 248832, while the sum is 40.

The square root of 394264426 is about 19856.0929187995. The cubic root of 394264426 is about 733.2676594539.

The spelling of 394264426 in words is "three hundred ninety-four million, two hundred sixty-four thousand, four hundred twenty-six".