90833849 has 2 divisors, whose sum is σ = 90833850. Its totient is φ = 90833848.

The previous prime is 90833837. The next prime is 90833867. The reversal of 90833849 is 94833809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89965225 + 868624 = 9485^2 + 932^2 .

It is a cyclic number.

It is not a de Polignac number, because 90833849 - 2⁴ = 90833833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90833879) 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 as a sum of consecutive naturals, namely, 45416924 + 45416925.

It is an arithmetic number, because the mean of its divisors is an integer number (45416925).

Almost surely, 2^90833849 is an apocalyptic number.

It is an amenable number.

90833849 is a deficient number, since it is larger than the sum of its proper divisors (1).

90833849 is an equidigital number, since it uses as much as digits as its factorization.

90833849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 90833849 is about 9530.6793566881. The cubic root of 90833849 is about 449.5202277622.

The spelling of 90833849 in words is "ninety million, eight hundred thirty-three thousand, eight hundred forty-nine".