234506778 has 64 divisors (see below), whose sum is σ = 551232000. Its totient is φ = 65741760.

The previous prime is 234506747. The next prime is 234506791. The reversal of 234506778 is 877605432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51748 + ... + 56096.

It is an arithmetic number, because the mean of its divisors is an integer number (8613000).

Almost surely, 2^234506778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234506778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275616000).

234506778 is an abundant number, since it is smaller than the sum of its proper divisors (316725222).

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

234506778 is a wasteful number, since it uses less digits than its factorization.

234506778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 234506778 is about 15313.6141390594. The cubic root of 234506778 is about 616.6685498198.

The spelling of 234506778 in words is "two hundred thirty-four million, five hundred six thousand, seven hundred seventy-eight".