242035857 has 20 divisors (see below), whose sum is σ = 413212096. Its totient is φ = 138305880.

The previous prime is 242035771. The next prime is 242035891. The reversal of 242035857 is 758530242.

242035857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242035857 - 2¹⁰ = 242034833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242035657) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 212869 + ... + 214002.

Almost surely, 2^242035857 is an apocalyptic number.

242035857 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

242035857 is a deficient number, since it is larger than the sum of its proper divisors (171176239).

242035857 is an equidigital number, since it uses as much as digits as its factorization.

242035857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426890 (or 426881 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 242035857 is about 15557.5016310460. The cubic root of 242035857 is about 623.1987450628.

The spelling of 242035857 in words is "two hundred forty-two million, thirty-five thousand, eight hundred fifty-seven".