394039038 has 8 divisors (see below), whose sum is σ = 788078088. Its totient is φ = 131346344.

The previous prime is 394039031. The next prime is 394039091. The reversal of 394039038 is 830930493.

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

394039038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 394038987 and 394039005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394039031) 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, 32836581 + ... + 32836592.

It is an arithmetic number, because the mean of its divisors is an integer number (98509761).

Almost surely, 2^394039038 is an apocalyptic number.

394039038 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.

394039038 is a wasteful number, since it uses less digits than its factorization.

394039038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65673178.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 394039038 is about 19850.4165699363. The cubic root of 394039038 is about 733.1279044879.

The spelling of 394039038 in words is "three hundred ninety-four million, thirty-nine thousand, thirty-eight".