234558642 has 16 divisors (see below), whose sum is σ = 469624032. Its totient is φ = 78101760.

The previous prime is 234558613. The next prime is 234558647. The reversal of 234558642 is 246855432.

It is a self number, because there is not a number n which added to its sum of digits gives 234558642.

It is not an unprimeable number, because it can be changed into a prime (234558647) 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, 14959 + ... + 26322.

It is an arithmetic number, because the mean of its divisors is an integer number (29351502).

Almost surely, 2^234558642 is an apocalyptic number.

234558642 is an abundant number, since it is smaller than the sum of its proper divisors (235065390).

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

234558642 is a wasteful number, since it uses less digits than its factorization.

234558642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42233.

The product of its digits is 230400, while the sum is 39.

The square root of 234558642 is about 15315.3074405968. The cubic root of 234558642 is about 616.7140076958.

The spelling of 234558642 in words is "two hundred thirty-four million, five hundred fifty-eight thousand, six hundred forty-two".