242606918 has 16 divisors (see below), whose sum is σ = 366992640. Its totient is φ = 120279816.

The previous prime is 242606911. The next prime is 242606927. The reversal of 242606918 is 819606242.

It is a super-2 number, since 2×242606918² = 117716233322917448, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242606911) 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, 273071 + ... + 273957.

It is an arithmetic number, because the mean of its divisors is an integer number (22937040).

Almost surely, 2^242606918 is an apocalyptic number.

242606918 is a deficient number, since it is larger than the sum of its proper divisors (124385722).

242606918 is a wasteful number, since it uses less digits than its factorization.

242606918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 242606918 is about 15575.8440541757. The cubic root of 242606918 is about 623.6884865101.

The spelling of 242606918 in words is "two hundred forty-two million, six hundred six thousand, nine hundred eighteen".