394527394 has 8 divisors (see below), whose sum is σ = 596111148. Its totient is φ = 195823680.

The previous prime is 394527377. The next prime is 394527407. The reversal of 394527394 is 493725493.

It can be written as a sum of positive squares in 2 ways, for example, as 365765625 + 28761769 = 19125^2 + 5363^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719667 + ... + 720214.

Almost surely, 2^394527394 is an apocalyptic number.

394527394 is a deficient number, since it is larger than the sum of its proper divisors (201583754).

394527394 is a wasteful number, since it uses less digits than its factorization.

394527394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440020.

The product of its digits is 816480, while the sum is 46.

The square root of 394527394 is about 19862.7136615317. The cubic root of 394527394 is about 733.4306491147.

The spelling of 394527394 in words is "three hundred ninety-four million, five hundred twenty-seven thousand, three hundred ninety-four".