234678858 has 8 divisors (see below), whose sum is σ = 469357728. Its totient is φ = 78226284.

The previous prime is 234678809. The next prime is 234678869. The reversal of 234678858 is 858876432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

234678858 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 234678858.

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 3 ways as a sum of consecutive naturals, for example, 19556566 + ... + 19556577.

It is an arithmetic number, because the mean of its divisors is an integer number (58669716).

Almost surely, 2^234678858 is an apocalyptic number.

234678858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

234678858 is a wasteful number, since it uses less digits than its factorization.

234678858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39113148.

The product of its digits is 2580480, while the sum is 51.

The square root of 234678858 is about 15319.2316386952. The cubic root of 234678858 is about 616.8193491266.

The spelling of 234678858 in words is "two hundred thirty-four million, six hundred seventy-eight thousand, eight hundred fifty-eight".