242398474 has 8 divisors (see below), whose sum is σ = 363683268. Its totient is φ = 121170720.

The previous prime is 242398469. The next prime is 242398477. The reversal of 242398474 is 474893242.

242398474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 242020249 + 378225 = 15557^2 + 615^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 242398474.

It is not an unprimeable number, because it can be changed into a prime (242398477) 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, 1267 + ... + 22054.

Almost surely, 2^242398474 is an apocalyptic number.

242398474 is a deficient number, since it is larger than the sum of its proper divisors (121284794).

242398474 is a wasteful number, since it uses less digits than its factorization.

242398474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28520.

The product of its digits is 387072, while the sum is 43.

The square root of 242398474 is about 15569.1513577330. The cubic root of 242398474 is about 623.5098142582.

The spelling of 242398474 in words is "two hundred forty-two million, three hundred ninety-eight thousand, four hundred seventy-four".