234942666 has 16 divisors (see below), whose sum is σ = 537011904. Its totient is φ = 67126464.

The previous prime is 234942649. The next prime is 234942679. The reversal of 234942666 is 666249432.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5593873 = 234942666 / (2 + 3 + 4 + 9 + 4 + 2 + 6 + 6 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2796895 + ... + 2796978.

It is an arithmetic number, because the mean of its divisors is an integer number (33563244).

Almost surely, 2^234942666 is an apocalyptic number.

234942666 is an abundant number, since it is smaller than the sum of its proper divisors (302069238).

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

234942666 is a wasteful number, since it uses less digits than its factorization.

234942666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593885.

The product of its digits is 373248, while the sum is 42.

The square root of 234942666 is about 15327.8395737951. The cubic root of 234942666 is about 617.0503896006.

The spelling of 234942666 in words is "two hundred thirty-four million, nine hundred forty-two thousand, six hundred sixty-six".