242943346 has 4 divisors (see below), whose sum is σ = 364415022. Its totient is φ = 121471672.

The previous prime is 242943317. The next prime is 242943347. The reversal of 242943346 is 643349242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643349242 = 2 ⋅321674621.

It can be written as a sum of positive squares in only one way, i.e., 185259321 + 57684025 = 13611^2 + 7595^2 .

It is not an unprimeable number, because it can be changed into a prime (242943347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60735835 + ... + 60735838.

Almost surely, 2^242943346 is an apocalyptic number.

242943346 is a deficient number, since it is larger than the sum of its proper divisors (121471676).

242943346 is a wasteful number, since it uses less digits than its factorization.

242943346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121471675.

The product of its digits is 124416, while the sum is 37.

The square root of 242943346 is about 15586.6399842942. The cubic root of 242943346 is about 623.9766472331.

The spelling of 242943346 in words is "two hundred forty-two million, nine hundred forty-three thousand, three hundred forty-six".