234989920 has 192 divisors, whose sum is σ = 644474880. Its totient is φ = 80179200.

The previous prime is 234989917. The next prime is 234989999. The reversal of 234989920 is 29989432.

It is a congruent number.

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, 3219004 + ... + 3219076.

It is an arithmetic number, because the mean of its divisors is an integer number (3356640).

Almost surely, 2^234989920 is an apocalyptic number.

234989920 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 234989920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322237440).

234989920 is an abundant number, since it is smaller than the sum of its proper divisors (409484960).

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

234989920 is a wasteful number, since it uses less digits than its factorization.

234989920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 234989920 is about 15329.3809398814. The cubic root of 234989920 is about 617.0917559262.

The spelling of 234989920 in words is "two hundred thirty-four million, nine hundred eighty-nine thousand, nine hundred twenty".