242420935 has 16 divisors (see below), whose sum is σ = 309924576. Its totient is φ = 181398528.

The previous prime is 242420891. The next prime is 242420951. The reversal of 242420935 is 539024242.

It is a 11-Lehmer number, since φ(242420935) divides (242420935-1)¹¹.

It is a cyclic number.

It is not a de Polignac number, because 242420935 - 2¹³ = 242412743 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 242420897 and 242420906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5107 + ... + 22603.

It is an arithmetic number, because the mean of its divisors is an integer number (19370286).

Almost surely, 2^242420935 is an apocalyptic number.

242420935 is a deficient number, since it is larger than the sum of its proper divisors (67503641).

242420935 is a wasteful number, since it uses less digits than its factorization.

242420935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17682.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 242420935 is about 15569.8726712841. The cubic root of 242420935 is about 623.5290721096.

The spelling of 242420935 in words is "two hundred forty-two million, four hundred twenty thousand, nine hundred thirty-five".