234786090 has 256 divisors, whose sum is σ = 750145536. Its totient is φ = 45619200.

The previous prime is 234786073. The next prime is 234786091. The reversal of 234786090 is 90687432.

It is not an unprimeable number, because it can be changed into a prime (234786091) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 3504237 + ... + 3504303.

It is an arithmetic number, because the mean of its divisors is an integer number (2930256).

Almost surely, 2^234786090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234786090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375072768).

234786090 is an abundant number, since it is smaller than the sum of its proper divisors (515359446).

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

234786090 is a wasteful number, since it uses less digits than its factorization.

234786090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 234786090 is about 15322.7311534204. The cubic root of 234786090 is about 616.9132827420.

The spelling of 234786090 in words is "two hundred thirty-four million, seven hundred eighty-six thousand, ninety".