235516090 has 36 divisors (see below), whose sum is σ = 445272282. Its totient is φ = 89683440.

The previous prime is 235516087. The next prime is 235516091. The reversal of 235516090 is 90615532.

It can be written as a sum of positive squares in only one way, i.e., 211964481 + 23551609 = 14559^2 + 4853^2 .

It is not an unprimeable number, because it can be changed into a prime (235516091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1116085 + ... + 1116295.

Almost surely, 2^235516090 is an apocalyptic number.

235516090 is a deficient number, since it is larger than the sum of its proper divisors (209756192).

235516090 is an equidigital number, since it uses as much as digits as its factorization.

235516090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 235516090 is about 15346.5334847971. The cubic root of 235516090 is about 617.5519928684.

The spelling of 235516090 in words is "two hundred thirty-five million, five hundred sixteen thousand, ninety".