1194393893 has 8 divisors (see below), whose sum is σ = 1489114560. Its totient is φ = 930696480.

The previous prime is 1194393881. The next prime is 1194393961. The reversal of 1194393893 is 3983934911.

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

It is not a de Polignac number, because 1194393893 - 2⁴ = 1194393877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194393493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7755728 + ... + 7755881.

It is an arithmetic number, because the mean of its divisors is an integer number (186139320).

Almost surely, 2^1194393893 is an apocalyptic number.

It is an amenable number.

1194393893 is a deficient number, since it is larger than the sum of its proper divisors (294720667).

1194393893 is a wasteful number, since it uses less digits than its factorization.

1194393893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511627.

The product of its digits is 629856, while the sum is 50.

The square root of 1194393893 is about 34560.0042390044. The cubic root of 1194393893 is about 1061.0011583675.

The spelling of 1194393893 in words is "one billion, one hundred ninety-four million, three hundred ninety-three thousand, eight hundred ninety-three".