234870090 has 128 divisors (see below), whose sum is σ = 698664960. Its totient is φ = 49206528.

The previous prime is 234870071. The next prime is 234870121. The reversal of 234870090 is 90078432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 619521 + ... + 619899.

It is an arithmetic number, because the mean of its divisors is an integer number (5458320).

Almost surely, 2^234870090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234870090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349332480).

234870090 is an abundant number, since it is smaller than the sum of its proper divisors (463794870).

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

234870090 is a wasteful number, since it uses less digits than its factorization.

234870090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 234870090 is about 15325.4719340058. The cubic root of 234870090 is about 616.9868455000.

The spelling of 234870090 in words is "two hundred thirty-four million, eight hundred seventy thousand, ninety".