242751384 has 128 divisors (see below), whose sum is σ = 710899200. Its totient is φ = 76602240.

The previous prime is 242751371. The next prime is 242751389. The reversal of 242751384 is 483157242.

It is a happy number.

242751384 is a `hidden beast` number, since 2 + 4 + 275 + 1 + 384 = 666.

242751384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242751389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650622 + ... + 650994.

It is an arithmetic number, because the mean of its divisors is an integer number (5553900).

Almost surely, 2^242751384 is an apocalyptic number.

242751384 is a gapful number since it is divisible by the number (24) 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 242751384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355449600).

242751384 is an abundant number, since it is smaller than the sum of its proper divisors (468147816).

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

242751384 is a wasteful number, since it uses less digits than its factorization.

242751384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 532 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 242751384 is about 15580.4808654932. The cubic root of 242751384 is about 623.8122586091.

The spelling of 242751384 in words is "two hundred forty-two million, seven hundred fifty-one thousand, three hundred eighty-four".