234230646 has 64 divisors (see below), whose sum is σ = 521777088. Its totient is φ = 69631488.

The previous prime is 234230639. The next prime is 234230671. The reversal of 234230646 is 646032432.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 799276 + ... + 799568.

It is an arithmetic number, because the mean of its divisors is an integer number (8152767).

Almost surely, 2^234230646 is an apocalyptic number.

234230646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 234230646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260888544).

234230646 is an abundant number, since it is smaller than the sum of its proper divisors (287546442).

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

234230646 is a wasteful number, since it uses less digits than its factorization.

234230646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 234230646 is about 15304.5955843335. The cubic root of 234230646 is about 616.4264121142.

The spelling of 234230646 in words is "two hundred thirty-four million, two hundred thirty thousand, six hundred forty-six".