394493354 has 8 divisors (see below), whose sum is σ = 591830148. Its totient is φ = 197216640.

The previous prime is 394493353. The next prime is 394493453. The reversal of 394493354 is 453394493.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 385926025 + 8567329 = 19645^2 + 2927^2 .

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

It is not an unprimeable number, because it can be changed into a prime (394493353) 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 3 ways as a sum of consecutive naturals, for example, 9224 + ... + 29564.

Almost surely, 2^394493354 is an apocalyptic number.

394493354 is a deficient number, since it is larger than the sum of its proper divisors (197336794).

394493354 is a wasteful number, since it uses less digits than its factorization.

394493354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30040.

The product of its digits is 699840, while the sum is 44.

The square root of 394493354 is about 19861.8567611389. The cubic root of 394493354 is about 733.4095549332.

The spelling of 394493354 in words is "three hundred ninety-four million, four hundred ninety-three thousand, three hundred fifty-four".