90036433 has 2 divisors, whose sum is σ = 90036434. Its totient is φ = 90036432.

The previous prime is 90036413. The next prime is 90036439. The reversal of 90036433 is 33463009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87928129 + 2108304 = 9377^2 + 1452^2 .

It is a cyclic number.

It is not a de Polignac number, because 90036433 - 2⁹ = 90035921 is a prime.

It is not a weakly prime, because it can be changed into another prime (90036439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45018216 + 45018217.

It is an arithmetic number, because the mean of its divisors is an integer number (45018217).

Almost surely, 2^90036433 is an apocalyptic number.

It is an amenable number.

90036433 is a deficient number, since it is larger than the sum of its proper divisors (1).

90036433 is an equidigital number, since it uses as much as digits as its factorization.

90036433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 90036433 is about 9488.7529739160. The cubic root of 90036433 is about 448.2009372456.

It can be divided in two parts, 9003643 and 3, that added together give a triangular number (9003646 = T₄₂₄₃).

The spelling of 90036433 in words is "ninety million, thirty-six thousand, four hundred thirty-three".