234478306 has 4 divisors (see below), whose sum is σ = 351717462. Its totient is φ = 117239152.

The previous prime is 234478289. The next prime is 234478333. The reversal of 234478306 is 603874432.

It is a happy number.

234478306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 203775625 + 30702681 = 14275^2 + 5541^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58619575 + ... + 58619578.

Almost surely, 2^234478306 is an apocalyptic number.

234478306 is a deficient number, since it is larger than the sum of its proper divisors (117239156).

234478306 is a wasteful number, since it uses less digits than its factorization.

234478306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117239155.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 234478306 is about 15312.6844805214. The cubic root of 234478306 is about 616.6435917670.

The spelling of 234478306 in words is "two hundred thirty-four million, four hundred seventy-eight thousand, three hundred six".