242392378 has 8 divisors (see below), whose sum is σ = 365176980. Its totient is φ = 120666720.

The previous prime is 242392361. The next prime is 242392387. The reversal of 242392378 is 873293242.

It can be written as a sum of positive squares in 2 ways, for example, as 241398369 + 994009 = 15537^2 + 997^2 .

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 242392378.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264163 + ... + 265078.

Almost surely, 2^242392378 is an apocalyptic number.

242392378 is a deficient number, since it is larger than the sum of its proper divisors (122784602).

242392378 is a wasteful number, since it uses less digits than its factorization.

242392378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529472.

The product of its digits is 145152, while the sum is 40.

The square root of 242392378 is about 15568.9555847526. The cubic root of 242392378 is about 623.5045873995.

The spelling of 242392378 in words is "two hundred forty-two million, three hundred ninety-two thousand, three hundred seventy-eight".