242066406 has 16 divisors (see below), whose sum is σ = 490952448. Its totient is φ = 79552200.

The previous prime is 242066401. The next prime is 242066411. The reversal of 242066406 is 604660242.

It is an interprime number because it is at equal distance from previous prime (242066401) and next prime (242066411).

It is a super-2 number, since 2×242066406² = 117192289827513672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242066401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283690 + ... + 284541.

It is an arithmetic number, because the mean of its divisors is an integer number (30684528).

Almost surely, 2^242066406 is an apocalyptic number.

242066406 is an abundant number, since it is smaller than the sum of its proper divisors (248886042).

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

242066406 is a wasteful number, since it uses less digits than its factorization.

242066406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568307.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 242066406 is about 15558.4834093815. The cubic root of 242066406 is about 623.2249633509.

The spelling of 242066406 in words is "two hundred forty-two million, sixty-six thousand, four hundred six".