234721634 has 16 divisors (see below), whose sum is σ = 402668928. Its totient is φ = 100522752.

The previous prime is 234721633. The next prime is 234721651. The reversal of 234721634 is 436127432.

234721634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 234721634.

It is not an unprimeable number, because it can be changed into a prime (234721631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17282 + ... + 27714.

It is an arithmetic number, because the mean of its divisors is an integer number (25166808).

Almost surely, 2^234721634 is an apocalyptic number.

234721634 is a deficient number, since it is larger than the sum of its proper divisors (167947294).

234721634 is a wasteful number, since it uses less digits than its factorization.

234721634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12049.

The product of its digits is 24192, while the sum is 32.

The square root of 234721634 is about 15320.6277286539. The cubic root of 234721634 is about 616.8568236876.

The spelling of 234721634 in words is "two hundred thirty-four million, seven hundred twenty-one thousand, six hundred thirty-four".