242860215 has 64 divisors (see below), whose sum is σ = 450721152. Its totient is φ = 110592000.

The previous prime is 242860207. The next prime is 242860253. The reversal of 242860215 is 512068242.

It is not a de Polignac number, because 242860215 - 2³ = 242860207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201615 + ... + 202815.

It is an arithmetic number, because the mean of its divisors is an integer number (7042518).

Almost surely, 2^242860215 is an apocalyptic number.

242860215 is a deficient number, since it is larger than the sum of its proper divisors (207860937).

242860215 is a wasteful number, since it uses less digits than its factorization.

242860215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 242860215 is about 15583.9730171738. The cubic root of 242860215 is about 623.9054677844.

The spelling of 242860215 in words is "two hundred forty-two million, eight hundred sixty thousand, two hundred fifteen".