234478916 has 96 divisors (see below), whose sum is σ = 510720000. Its totient is φ = 93985920.

The previous prime is 234478903. The next prime is 234478927. The reversal of 234478916 is 619874432.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1573610 + ... + 1573758.

It is an arithmetic number, because the mean of its divisors is an integer number (5320000).

Almost surely, 2^234478916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234478916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255360000).

234478916 is an abundant number, since it is smaller than the sum of its proper divisors (276241084).

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

234478916 is a wasteful number, since it uses less digits than its factorization.

234478916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 226 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 234478916 is about 15312.7043986358. The cubic root of 234478916 is about 616.6441265035.

The spelling of 234478916 in words is "two hundred thirty-four million, four hundred seventy-eight thousand, nine hundred sixteen".