242392667 has 8 divisors (see below), whose sum is σ = 268375872. Its totient is φ = 217067400.

The previous prime is 242392663. The next prime is 242392669. The reversal of 242392667 is 766293242.

It is a happy number.

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

It is not a de Polignac number, because 242392667 - 2² = 242392663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242392663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163709 + ... + 165182.

It is an arithmetic number, because the mean of its divisors is an integer number (33546984).

Almost surely, 2^242392667 is an apocalyptic number.

242392667 is a deficient number, since it is larger than the sum of its proper divisors (25983205).

242392667 is a wasteful number, since it uses less digits than its factorization.

242392667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328969.

The product of its digits is 217728, while the sum is 41.

The square root of 242392667 is about 15568.9648660404. The cubic root of 242392667 is about 623.5048351971.

The spelling of 242392667 in words is "two hundred forty-two million, three hundred ninety-two thousand, six hundred sixty-seven".