242038615 has 64 divisors (see below), whose sum is σ = 372556800. Its totient is φ = 146893824.

The previous prime is 242038603. The next prime is 242038619. The reversal of 242038615 is 516830242.

It is not a de Polignac number, because 242038615 - 2⁵ = 242038583 is a prime.

It is a super-2 number, since 2×242038615² = 117165382302236450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242038619) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1741216 + ... + 1741354.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^242038615 is an apocalyptic number.

242038615 is a deficient number, since it is larger than the sum of its proper divisors (130518185).

242038615 is a wasteful number, since it uses less digits than its factorization.

242038615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 242038615 is about 15557.5902697044. The cubic root of 242038615 is about 623.2011121715.

Adding to 242038615 its reverse (516830242), we get a palindrome (758868857).

The spelling of 242038615 in words is "two hundred forty-two million, thirty-eight thousand, six hundred fifteen".