242307590 has 16 divisors (see below), whose sum is σ = 498461472.
Its totient is φ = 83076864.
The previous prime is 242307587. The next prime is 242307601. The reversal of 242307590 is 95703242.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730699 + ... + 1730838.
It is an arithmetic number, because the mean of its divisors is an integer number (31153842).
Almost surely, 2242307590 is an apocalyptic number.
242307590 is an abundant number, since it is smaller than the sum of its proper divisors (256153882).
242307590 is a wasteful number, since it uses less digits than its factorization.
242307590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3461551.
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 242307590 is about 15566.2323636775.
The cubic root of 242307590 is about 623.4318790183.
The spelling of 242307590 in words is "two hundred forty-two million, three hundred seven thousand, five hundred ninety".