242392 has 16 divisors (see below), whose sum is σ = 466200. Its totient is φ = 118080.

The previous prime is 242377. The next prime is 242393. The reversal of 242392 is 293242.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42 + ... + 697.

2²⁴²³⁹² is an apocalyptic number.

It is an amenable number.

242392 is a deficient number, since it is larger than the sum of its proper divisors (223808).

242392 is a wasteful number, since it uses less digits than its factorization.

242392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 782 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 242392 is about 492.3332204920. Note that the first 3 decimals coincide. The cubic root of 242392 is about 62.3504263290.

It can be divided in two parts, 242 and 392, that multiplied together give a square (94864 = 308²).

The spelling of 242392 in words is "two hundred forty-two thousand, three hundred ninety-two".