193839814 has 48 divisors (see below), whose sum is σ = 368517888. Its totient is φ = 74752128.

The previous prime is 193839803. The next prime is 193839871. The reversal of 193839814 is 418938391.

It is a happy number.

193839814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92017 + ... + 94099.

It is an arithmetic number, because the mean of its divisors is an integer number (7677456).

Almost surely, 2^193839814 is an apocalyptic number.

193839814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

193839814 is a deficient number, since it is larger than the sum of its proper divisors (174678074).

193839814 is a wasteful number, since it uses less digits than its factorization.

193839814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2132 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 193839814 is about 13922.6367473981. The cubic root of 193839814 is about 578.7366616478.

The spelling of 193839814 in words is "one hundred ninety-three million, eight hundred thirty-nine thousand, eight hundred fourteen".