242649398 has 16 divisors (see below), whose sum is σ = 394786224. Its totient is φ = 111402240.

The previous prime is 242649389. The next prime is 242649403. The reversal of 242649398 is 893946242.

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, 85640 + ... + 88427.

It is an arithmetic number, because the mean of its divisors is an integer number (24674139).

Almost surely, 2^242649398 is an apocalyptic number.

242649398 is a deficient number, since it is larger than the sum of its proper divisors (152136826).

242649398 is a wasteful number, since it uses less digits than its factorization.

242649398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174127.

The product of its digits is 746496, while the sum is 47.

The square root of 242649398 is about 15577.2076445042. The cubic root of 242649398 is about 623.7248865998.

The spelling of 242649398 in words is "two hundred forty-two million, six hundred forty-nine thousand, three hundred ninety-eight".