242728936 has 32 divisors (see below), whose sum is σ = 476562240. Its totient is φ = 115682688.

The previous prime is 242728921. The next prime is 242728963. The reversal of 242728936 is 639827242.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 242728892 and 242728901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54340 + ... + 58636.

It is an arithmetic number, because the mean of its divisors is an integer number (14892570).

Almost surely, 2^242728936 is an apocalyptic number.

It is an amenable number.

242728936 is a deficient number, since it is larger than the sum of its proper divisors (233833304).

242728936 is a wasteful number, since it uses less digits than its factorization.

242728936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4629 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 242728936 is about 15579.7604602895. The cubic root of 242728936 is about 623.7930293755.

The spelling of 242728936 in words is "two hundred forty-two million, seven hundred twenty-eight thousand, nine hundred thirty-six".