1093943894 has 32 divisors (see below), whose sum is σ = 1757306880. Its totient is φ = 509537952.

The previous prime is 1093943881. The next prime is 1093943911. The reversal of 1093943894 is 4983493901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480992 + ... + 483260.

It is an arithmetic number, because the mean of its divisors is an integer number (54915840).

Almost surely, 2^1093943894 is an apocalyptic number.

1093943894 is a deficient number, since it is larger than the sum of its proper divisors (663362986).

1093943894 is a wasteful number, since it uses less digits than its factorization.

1093943894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 1093943894 is about 33074.8226601444. The cubic root of 1093943894 is about 1030.3822045923.

The spelling of 1093943894 in words is "one billion, ninety-three million, nine hundred forty-three thousand, eight hundred ninety-four".