234478216 has 16 divisors (see below), whose sum is σ = 502453440. Its totient is φ = 100490640.

The previous prime is 234478207. The next prime is 234478217. The reversal of 234478216 is 612874432.

It is not an unprimeable number, because it can be changed into a prime (234478217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2093500 + ... + 2093611.

It is an arithmetic number, because the mean of its divisors is an integer number (31403340).

Almost surely, 2^234478216 is an apocalyptic number.

It is an amenable number.

234478216 is an abundant number, since it is smaller than the sum of its proper divisors (267975224).

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

234478216 is a wasteful number, since it uses less digits than its factorization.

234478216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187124 (or 4187120 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 234478216 is about 15312.6815417810. The cubic root of 234478216 is about 616.6435128714.

The spelling of 234478216 in words is "two hundred thirty-four million, four hundred seventy-eight thousand, two hundred sixteen".