234985520 has 160 divisors (see below), whose sum is σ = 700240896. Its totient is φ = 71193600.

The previous prime is 234985459. The next prime is 234985529. The reversal of 234985520 is 25589432.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (234985529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227405 + ... + 228435.

Almost surely, 2^234985520 is an apocalyptic number.

234985520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234985520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350120448).

234985520 is an abundant number, since it is smaller than the sum of its proper divisors (465255376).

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

234985520 is a wasteful number, since it uses less digits than its factorization.

234985520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 234985520 is about 15329.2374239556. The cubic root of 234985520 is about 617.0879043842.

The spelling of 234985520 in words is "two hundred thirty-four million, nine hundred eighty-five thousand, five hundred twenty".