242581976 has 96 divisors (see below), whose sum is σ = 595187040. Its totient is φ = 90243072.

The previous prime is 242581957. The next prime is 242582003. The reversal of 242581976 is 679185242.

It is a happy number.

242581976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 209816 + ... + 210968.

It is an arithmetic number, because the mean of its divisors is an integer number (6199865).

Almost surely, 2^242581976 is an apocalyptic number.

242581976 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242581976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297593520).

242581976 is an abundant number, since it is smaller than the sum of its proper divisors (352605064).

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

242581976 is a wasteful number, since it uses less digits than its factorization.

242581976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 1192 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 242581976 is about 15575.0433707261. The cubic root of 242581976 is about 623.6671123308.

The spelling of 242581976 in words is "two hundred forty-two million, five hundred eighty-one thousand, nine hundred seventy-six".