193442 has 6 divisors (see below), whose sum is σ = 291099. Its totient is φ = 96410.

The previous prime is 193441. The next prime is 193447. The reversal of 193442 is 244391.

It can be written as a sum of positive squares in only one way, i.e., 96721 + 96721 = 311^2 + 311^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=311.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (193441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 467 + ... + 777.

2¹⁹³⁴⁴² is an apocalyptic number.

193442 is a deficient number, since it is larger than the sum of its proper divisors (97657).

193442 is an frugal number, since it uses more digits than its factorization.

193442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 313 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 193442 is about 439.8204178980. The cubic root of 193442 is about 57.8340480182.

The spelling of 193442 in words is "one hundred ninety-three thousand, four hundred forty-two".