242781892 has 6 divisors (see below), whose sum is σ = 424868318. Its totient is φ = 121390944.

The previous prime is 242781887. The next prime is 242781911. The reversal of 242781892 is 298187242.

242781892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 150160516 + 92621376 = 12254^2 + 9624^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30347733 + ... + 30347740.

Almost surely, 2^242781892 is an apocalyptic number.

It is an amenable number.

242781892 is a deficient number, since it is larger than the sum of its proper divisors (182086426).

242781892 is a wasteful number, since it uses less digits than its factorization.

242781892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60695477 (or 60695475 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 242781892 is about 15581.4598802551. The cubic root of 242781892 is about 623.8383902379.

The spelling of 242781892 in words is "two hundred forty-two million, seven hundred eighty-one thousand, eight hundred ninety-two".