242393860 has 12 divisors (see below), whose sum is σ = 509027148. Its totient is φ = 96957536.

The previous prime is 242393843. The next prime is 242393897. The reversal of 242393860 is 68393242.

It can be written as a sum of positive squares in 2 ways, for example, as 100641024 + 141752836 = 10032^2 + 11906^2 .

It is a super-3 number, since 3×242393860³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6059827 + ... + 6059866.

It is an arithmetic number, because the mean of its divisors is an integer number (42418929).

Almost surely, 2^242393860 is an apocalyptic number.

242393860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242393860 is an abundant number, since it is smaller than the sum of its proper divisors (266633288).

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

242393860 is a wasteful number, since it uses less digits than its factorization.

242393860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119702 (or 12119700 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 242393860 is about 15569.0031793946. The cubic root of 242393860 is about 623.5058581104.

It can be divided in two parts, 242393 and 860, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 242393860 in words is "two hundred forty-two million, three hundred ninety-three thousand, eight hundred sixty".