394192074 has 16 divisors (see below), whose sum is σ = 788843520. Its totient is φ = 131320800.

The previous prime is 394192049. The next prime is 394192079. The reversal of 394192074 is 470291493.

It is not an unprimeable number, because it can be changed into a prime (394192079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7434 + ... + 29045.

It is an arithmetic number, because the mean of its divisors is an integer number (49302720).

Almost surely, 2^394192074 is an apocalyptic number.

394192074 is an abundant number, since it is smaller than the sum of its proper divisors (394651446).

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

394192074 is a wasteful number, since it uses less digits than its factorization.

394192074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38285.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 394192074 is about 19854.2709259242. The cubic root of 394192074 is about 733.2228023953. Note that the first 3 decimals are identical.

The spelling of 394192074 in words is "three hundred ninety-four million, one hundred ninety-two thousand, seventy-four".