242898990 has 16 divisors (see below), whose sum is σ = 582957648. Its totient is φ = 64773056.

The previous prime is 242898989. The next prime is 242899001. The reversal of 242898990 is 99898242.

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, 4048287 + ... + 4048346.

It is an arithmetic number, because the mean of its divisors is an integer number (36434853).

Almost surely, 2^242898990 is an apocalyptic number.

242898990 is an abundant number, since it is smaller than the sum of its proper divisors (340058658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242898990 is a wasteful number, since it uses less digits than its factorization.

242898990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8096643.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 242898990 is about 15585.2170341000. The cubic root of 242898990 is about 623.9386702134.

The spelling of 242898990 in words is "two hundred forty-two million, eight hundred ninety-eight thousand, nine hundred ninety".