242342646 has 32 divisors (see below), whose sum is σ = 596537088. Its totient is φ = 63914400.

The previous prime is 242342641. The next prime is 242342657. The reversal of 242342646 is 646243242.

242342646 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242342641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221380 + ... + 222471.

It is an arithmetic number, because the mean of its divisors is an integer number (18641784).

Almost surely, 2^242342646 is an apocalyptic number.

242342646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

242342646 is an abundant number, since it is smaller than the sum of its proper divisors (354194442).

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

242342646 is a wasteful number, since it uses less digits than its factorization.

242342646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443876.

The product of its digits is 55296, while the sum is 33.

The square root of 242342646 is about 15567.3583500862. The cubic root of 242342646 is about 623.4619426991.

Adding to 242342646 its reverse (646243242), we get a palindrome (888585888).

The spelling of 242342646 in words is "two hundred forty-two million, three hundred forty-two thousand, six hundred forty-six".