194083397 has 2 divisors, whose sum is σ = 194083398. Its totient is φ = 194083396.

The previous prime is 194083387. The next prime is 194083429. The reversal of 194083397 is 793380491.

It is a happy number.

194083397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188485441 + 5597956 = 13729^2 + 2366^2 .

It is a cyclic number.

It is not a de Polignac number, because 194083397 - 2⁶ = 194083333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194083327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97041698 + 97041699.

It is an arithmetic number, because the mean of its divisors is an integer number (97041699).

Almost surely, 2^194083397 is an apocalyptic number.

It is an amenable number.

194083397 is a deficient number, since it is larger than the sum of its proper divisors (1).

194083397 is an equidigital number, since it uses as much as digits as its factorization.

194083397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 194083397 is about 13931.3817333386. The cubic root of 194083397 is about 578.9789775439.

The spelling of 194083397 in words is "one hundred ninety-four million, eighty-three thousand, three hundred ninety-seven".