290245230 has 48 divisors (see below), whose sum is σ = 823243824. Its totient is φ = 70362240.

The previous prime is 290245229. The next prime is 290245237. The reversal of 290245230 is 32542092.

It is a junction number, because it is equal to n+sod(n) for n = 290245194 and 290245203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290245237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145599 + ... + 147578.

It is an arithmetic number, because the mean of its divisors is an integer number (17150913).

Almost surely, 2^290245230 is an apocalyptic number.

290245230 is an abundant number, since it is smaller than the sum of its proper divisors (532998594).

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

290245230 is a wasteful number, since it uses less digits than its factorization.

290245230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293201 (or 293198 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 290245230 is about 17036.5850451316. The cubic root of 290245230 is about 662.0971173346.

The spelling of 290245230 in words is "two hundred ninety million, two hundred forty-five thousand, two hundred thirty".