394346838 has 8 divisors (see below), whose sum is σ = 788693688. Its totient is φ = 131448944.

The previous prime is 394346837. The next prime is 394346857. The reversal of 394346838 is 838643493.

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

394346838 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394346837) 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, 32862231 + ... + 32862242.

It is an arithmetic number, because the mean of its divisors is an integer number (98586711).

Almost surely, 2^394346838 is an apocalyptic number.

394346838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394346838 is a wasteful number, since it uses less digits than its factorization.

394346838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65724478.

The product of its digits is 1492992, while the sum is 48.

The square root of 394346838 is about 19858.1680423950. The cubic root of 394346838 is about 733.3187468632.

The spelling of 394346838 in words is "three hundred ninety-four million, three hundred forty-six thousand, eight hundred thirty-eight".