242017830 has 48 divisors (see below), whose sum is σ = 632455200. Its totient is φ = 64209024.

The previous prime is 242017829. The next prime is 242017861. The reversal of 242017830 is 38710242.

It is a junction number, because it is equal to n+sod(n) for n = 242017794 and 242017803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11154 + ... + 24666.

It is an arithmetic number, because the mean of its divisors is an integer number (13176150).

Almost surely, 2^242017830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242017830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316227600).

242017830 is an abundant number, since it is smaller than the sum of its proper divisors (390437370).

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

242017830 is a wasteful number, since it uses less digits than its factorization.

242017830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13725 (or 13722 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 242017830 is about 15556.9222534536. The cubic root of 242017830 is about 623.1832725857.

The spelling of 242017830 in words is "two hundred forty-two million, seventeen thousand, eight hundred thirty".