242579946 has 16 divisors (see below), whose sum is σ = 554468544. Its totient is φ = 69308544.

The previous prime is 242579941. The next prime is 242579947. The reversal of 242579946 is 649975242.

It is a junction number, because it is equal to n+sod(n) for n = 242579895 and 242579904.

It is not an unprimeable number, because it can be changed into a prime (242579941) 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, 2887815 + ... + 2887898.

It is an arithmetic number, because the mean of its divisors is an integer number (34654284).

Almost surely, 2^242579946 is an apocalyptic number.

242579946 is an abundant number, since it is smaller than the sum of its proper divisors (311888598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242579946 is a wasteful number, since it uses less digits than its factorization.

242579946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775725.

The product of its digits is 1088640, while the sum is 48.

The square root of 242579946 is about 15574.9782022319. The cubic root of 242579946 is about 623.6653726470.

The spelling of 242579946 in words is "two hundred forty-two million, five hundred seventy-nine thousand, nine hundred forty-six".