394030834 has 8 divisors (see below), whose sum is σ = 607020588. Its totient is φ = 191690640.

The previous prime is 394030831. The next prime is 394030841. The reversal of 394030834 is 438030493.

It can be written as a sum of positive squares in 2 ways, for example, as 374538609 + 19492225 = 19353^2 + 4415^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 394030834.

It is not an unprimeable number, because it can be changed into a prime (394030831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2662297 + ... + 2662444.

Almost surely, 2^394030834 is an apocalyptic number.

394030834 is a deficient number, since it is larger than the sum of its proper divisors (212989754).

394030834 is a wasteful number, since it uses less digits than its factorization.

394030834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324780.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 394030834 is about 19850.2099233232. The cubic root of 394030834 is about 733.1228164785.

The spelling of 394030834 in words is "three hundred ninety-four million, thirty thousand, eight hundred thirty-four".