193441997 has 16 divisors (see below), whose sum is σ = 238505472. Its totient is φ = 153104640.

The previous prime is 193441949. The next prime is 193442003. The reversal of 193441997 is 799144391.

It is a cyclic number.

It is not a de Polignac number, because 193441997 - 2⁶ = 193441933 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 (193440997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9029 + ... + 21642.

It is an arithmetic number, because the mean of its divisors is an integer number (14906592).

Almost surely, 2^193441997 is an apocalyptic number.

193441997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

193441997 is a deficient number, since it is larger than the sum of its proper divisors (45063475).

193441997 is a wasteful number, since it uses less digits than its factorization.

193441997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30748.

The product of its digits is 244944, while the sum is 47.

The square root of 193441997 is about 13908.3427121998. The cubic root of 193441997 is about 578.3404771924.

The spelling of 193441997 in words is "one hundred ninety-three million, four hundred forty-one thousand, nine hundred ninety-seven".