934378394 has 8 divisors (see below), whose sum is σ = 1403652180. Its totient is φ = 466494336.

The previous prime is 934378391. The next prime is 934378421. The reversal of 934378394 is 493873439.

It can be written as a sum of positive squares in 2 ways, for example, as 857728369 + 76650025 = 29287^2 + 8755^2 .

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

It is not an unprimeable number, because it can be changed into a prime (934378391) 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, 345749 + ... + 348440.

Almost surely, 2^934378394 is an apocalyptic number.

934378394 is a deficient number, since it is larger than the sum of its proper divisors (469273786).

934378394 is a wasteful number, since it uses less digits than its factorization.

934378394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694864.

The product of its digits is 1959552, while the sum is 50.

The square root of 934378394 is about 30567.6036679358. The cubic root of 934378394 is about 977.6294202261.

The spelling of 934378394 in words is "nine hundred thirty-four million, three hundred seventy-eight thousand, three hundred ninety-four".