194749 has 2 divisors, whose sum is σ = 194750. Its totient is φ = 194748.

The previous prime is 194729. The next prime is 194767. The reversal of 194749 is 947491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108900 + 85849 = 330^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 194749 - 2⁵ = 194717 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97374 + 97375.

It is an arithmetic number, because the mean of its divisors is an integer number (97375).

2¹⁹⁴⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

194749 is a deficient number, since it is larger than the sum of its proper divisors (1).

194749 is an equidigital number, since it uses as much as digits as its factorization.

194749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 194749 is about 441.3037502673. The cubic root of 194749 is about 57.9640085860.

The spelling of 194749 in words is "one hundred ninety-four thousand, seven hundred forty-nine".