234355380 has 192 divisors, whose sum is σ = 789626880. Its totient is φ = 50803200.

The previous prime is 234355339. The next prime is 234355391. The reversal of 234355380 is 83553432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 864645 + ... + 864915.

It is an arithmetic number, because the mean of its divisors is an integer number (4112640).

Almost surely, 2^234355380 is an apocalyptic number.

234355380 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 234355380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394813440).

234355380 is an abundant number, since it is smaller than the sum of its proper divisors (555271500).

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

234355380 is a wasteful number, since it uses less digits than its factorization.

234355380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 234355380 is about 15308.6700924672. The cubic root of 234355380 is about 616.5358138071.

The spelling of 234355380 in words is "two hundred thirty-four million, three hundred fifty-five thousand, three hundred eighty".