194753793 has 8 divisors (see below), whose sum is σ = 279646528. Its totient is φ = 119848464.

The previous prime is 194753789. The next prime is 194753809. The reversal of 194753793 is 397357491.

It is a happy number.

194753793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 194753793 - 2² = 194753789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194753753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496805 + ... + 2496882.

It is an arithmetic number, because the mean of its divisors is an integer number (34955816).

Almost surely, 2^194753793 is an apocalyptic number.

194753793 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

194753793 is a deficient number, since it is larger than the sum of its proper divisors (84892735).

194753793 is a wasteful number, since it uses less digits than its factorization.

194753793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993703.

The product of its digits is 714420, while the sum is 48.

The square root of 194753793 is about 13955.4216346193. The cubic root of 194753793 is about 579.6448410274.

The spelling of 194753793 in words is "one hundred ninety-four million, seven hundred fifty-three thousand, seven hundred ninety-three".