234478918 has 8 divisors (see below), whose sum is σ = 360297000. Its totient is φ = 114379920.

The previous prime is 234478903. The next prime is 234478927. The reversal of 234478918 is 819874432.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429668 + ... + 1429831.

It is an arithmetic number, because the mean of its divisors is an integer number (45037125).

Almost surely, 2^234478918 is an apocalyptic number.

234478918 is a deficient number, since it is larger than the sum of its proper divisors (125818082).

234478918 is a wasteful number, since it uses less digits than its factorization.

234478918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859542.

The product of its digits is 387072, while the sum is 46.

The square root of 234478918 is about 15312.7044639410. The cubic root of 234478918 is about 616.6441282567.

The spelling of 234478918 in words is "two hundred thirty-four million, four hundred seventy-eight thousand, nine hundred eighteen".