193997714 has 8 divisors (see below), whose sum is σ = 306312240. Its totient is φ = 91893636.

The previous prime is 193997681. The next prime is 193997743. The reversal of 193997714 is 417799391.

It is a happy number.

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

It is a super-2 number, since 2×193997714² = 75270226074451592, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2552564 + ... + 2552639.

It is an arithmetic number, because the mean of its divisors is an integer number (38289030).

Almost surely, 2^193997714 is an apocalyptic number.

193997714 is a deficient number, since it is larger than the sum of its proper divisors (112314526).

193997714 is a wasteful number, since it uses less digits than its factorization.

193997714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105224.

The product of its digits is 428652, while the sum is 50.

The square root of 193997714 is about 13928.3062143248. The cubic root of 193997714 is about 578.8937633892.

The spelling of 193997714 in words is "one hundred ninety-three million, nine hundred ninety-seven thousand, seven hundred fourteen".