242346478 has 16 divisors (see below), whose sum is σ = 398234880. Its totient is φ = 109694200.

The previous prime is 242346457. The next prime is 242346479. The reversal of 242346478 is 874643242.

It is a self number, because there is not a number n which added to its sum of digits gives 242346478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242346479) 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, 17788 + ... + 28303.

It is an arithmetic number, because the mean of its divisors is an integer number (24889680).

Almost surely, 2^242346478 is an apocalyptic number.

242346478 is a deficient number, since it is larger than the sum of its proper divisors (155888402).

242346478 is a wasteful number, since it uses less digits than its factorization.

242346478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46343.

The product of its digits is 258048, while the sum is 40.

The square root of 242346478 is about 15567.4814276427. The cubic root of 242346478 is about 623.4652288088.

The spelling of 242346478 in words is "two hundred forty-two million, three hundred forty-six thousand, four hundred seventy-eight".