90832393 has 2 divisors, whose sum is σ = 90832394. Its totient is φ = 90832392.

The previous prime is 90832381. The next prime is 90832403. The reversal of 90832393 is 39323809.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57562569 + 33269824 = 7587^2 + 5768^2 .

It is a cyclic number.

It is not a de Polignac number, because 90832393 - 2⁵ = 90832361 is a prime.

It is not a weakly prime, because it can be changed into another prime (90832303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45416196 + 45416197.

It is an arithmetic number, because the mean of its divisors is an integer number (45416197).

Almost surely, 2^90832393 is an apocalyptic number.

It is an amenable number.

90832393 is a deficient number, since it is larger than the sum of its proper divisors (1).

90832393 is an equidigital number, since it uses as much as digits as its factorization.

90832393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 90832393 is about 9530.6029714809. The cubic root of 90832393 is about 449.5178259228.

It can be divided in two parts, 9083 and 2393, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 90832393 in words is "ninety million, eight hundred thirty-two thousand, three hundred ninety-three".