242981895 has 16 divisors (see below), whose sum is σ = 418676832. Its totient is φ = 119621760.

The previous prime is 242981881. The next prime is 242981897. The reversal of 242981895 is 598189242.

It is not a de Polignac number, because 242981895 - 2⁶ = 242981831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242981897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622836 + ... + 623225.

It is an arithmetic number, because the mean of its divisors is an integer number (26167302).

Almost surely, 2^242981895 is an apocalyptic number.

242981895 is a deficient number, since it is larger than the sum of its proper divisors (175694937).

242981895 is a wasteful number, since it uses less digits than its factorization.

242981895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246082.

The product of its digits is 414720, while the sum is 48.

The square root of 242981895 is about 15587.8765391570. The cubic root of 242981895 is about 624.0096486222.

The spelling of 242981895 in words is "two hundred forty-two million, nine hundred eighty-one thousand, eight hundred ninety-five".