234746661 has 16 divisors (see below), whose sum is σ = 318021120. Its totient is φ = 153993840.

The previous prime is 234746647. The next prime is 234746713. The reversal of 234746661 is 166647432.

It is a happy number.

It is not a de Polignac number, because 234746661 - 2⁶ = 234746597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234746621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182326 + ... + 183608.

It is an arithmetic number, because the mean of its divisors is an integer number (19876320).

Almost surely, 2^234746661 is an apocalyptic number.

It is an amenable number.

234746661 is a deficient number, since it is larger than the sum of its proper divisors (83274459).

234746661 is a wasteful number, since it uses less digits than its factorization.

234746661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216.

The product of its digits is 145152, while the sum is 39.

The square root of 234746661 is about 15321.4444815102. Note that the first 4 decimals coincide. The cubic root of 234746661 is about 616.8787468579.

It can be divided in two parts, 23474 and 6661, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 234746661 in words is "two hundred thirty-four million, seven hundred forty-six thousand, six hundred sixty-one".