242538684 has 24 divisors (see below), whose sum is σ = 575202768. Its totient is φ = 79520640.

The previous prime is 242538679. The next prime is 242538689. The reversal of 242538684 is 486835242.

242538684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242538679) and next prime (242538689).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242538689) 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, 164937 + ... + 166400.

It is an arithmetic number, because the mean of its divisors is an integer number (23966782).

Almost surely, 2^242538684 is an apocalyptic number.

It is an amenable number.

242538684 is an abundant number, since it is smaller than the sum of its proper divisors (332664084).

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

242538684 is a wasteful number, since it uses less digits than its factorization.

242538684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331405 (or 331403 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 242538684 is about 15573.6535212518. The cubic root of 242538684 is about 623.6300095427.

The spelling of 242538684 in words is "two hundred forty-two million, five hundred thirty-eight thousand, six hundred eighty-four".