242846421 has 8 divisors (see below), whose sum is σ = 323880000. Its totient is φ = 161855232.

The previous prime is 242846393. The next prime is 242846473. The reversal of 242846421 is 124648242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242846421 - 2¹⁰ = 242845397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242846491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6901 + ... + 23093.

It is an arithmetic number, because the mean of its divisors is an integer number (40485000).

Almost surely, 2^242846421 is an apocalyptic number.

It is an amenable number.

242846421 is a deficient number, since it is larger than the sum of its proper divisors (81033579).

242846421 is a wasteful number, since it uses less digits than its factorization.

242846421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21195.

The product of its digits is 24576, while the sum is 33.

The square root of 242846421 is about 15583.5304408212. The cubic root of 242846421 is about 623.8936553446.

The spelling of 242846421 in words is "two hundred forty-two million, eight hundred forty-six thousand, four hundred twenty-one".