242986980 has 96 divisors (see below), whose sum is σ = 709720704. Its totient is φ = 62060544.

The previous prime is 242986979. The next prime is 242986981. The reversal of 242986980 is 89689242.

It is an interprime number because it is at equal distance from previous prime (242986979) and next prime (242986981).

It is a super-3 number, since 3×242986980³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (242986981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135852 + ... + 137628.

It is an arithmetic number, because the mean of its divisors is an integer number (7392924).

Almost surely, 2^242986980 is an apocalyptic number.

242986980 is a gapful number since it is divisible by the number (20) 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 242986980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354860352).

242986980 is an abundant number, since it is smaller than the sum of its proper divisors (466733724).

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

242986980 is a wasteful number, since it uses less digits than its factorization.

242986980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 242986980 is about 15588.0396458310. The cubic root of 242986980 is about 624.0140015760.

The spelling of 242986980 in words is "two hundred forty-two million, nine hundred eighty-six thousand, nine hundred eighty".