1094639394 has 32 divisors (see below), whose sum is σ = 2268904320. Its totient is φ = 351654912.

The previous prime is 1094639389. The next prime is 1094639407. The reversal of 1094639394 is 4939364901.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94947 + ... + 105849.

It is an arithmetic number, because the mean of its divisors is an integer number (70903260).

Almost surely, 2^1094639394 is an apocalyptic number.

1094639394 is an abundant number, since it is smaller than the sum of its proper divisors (1174264926).

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

1094639394 is a wasteful number, since it uses less digits than its factorization.

1094639394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11514.

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 1094639394 is about 33085.3350292845. The cubic root of 1094639394 is about 1030.6005213967.

The spelling of 1094639394 in words is "one billion, ninety-four million, six hundred thirty-nine thousand, three hundred ninety-four".