242193 has 16 divisors (see below), whose sum is σ = 389120. Its totient is φ = 130896.

The previous prime is 242173. The next prime is 242197. The reversal of 242193 is 391242.

It is not a de Polignac number, because 242193 - 2⁵ = 242161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (242197) 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, 96 + ... + 702.

It is an arithmetic number, because the mean of its divisors is an integer number (24320).

2²⁴²¹⁹³ is an apocalyptic number.

It is an amenable number.

242193 is a deficient number, since it is larger than the sum of its proper divisors (146927).

242193 is a wasteful number, since it uses less digits than its factorization.

242193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636.

The product of its digits is 432, while the sum is 21.

The square root of 242193 is about 492.1310800996. The cubic root of 242193 is about 62.3333587527. Note that the first 4 decimals are identical.

It can be divided in two parts, 242 and 193, that added together give a triangular number (435 = T₂₉).

The spelling of 242193 in words is "two hundred forty-two thousand, one hundred ninety-three".