90833401 has 2 divisors, whose sum is σ = 90833402. Its totient is φ = 90833400.

The previous prime is 90833383. The next prime is 90833437. The reversal of 90833401 is 10433809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76545001 + 14288400 = 8749^2 + 3780^2 .

It is an emirp because it is prime and its reverse (10433809) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90833401 - 2¹⁷ = 90702329 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90833401.

It is not a weakly prime, because it can be changed into another prime (90833461) 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, 45416700 + 45416701.

It is an arithmetic number, because the mean of its divisors is an integer number (45416701).

Almost surely, 2^90833401 is an apocalyptic number.

It is an amenable number.

90833401 is a deficient number, since it is larger than the sum of its proper divisors (1).

90833401 is an equidigital number, since it uses as much as digits as its factorization.

90833401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 90833401 is about 9530.6558536126. The cubic root of 90833401 is about 449.5194887374.

The spelling of 90833401 in words is "ninety million, eight hundred thirty-three thousand, four hundred one".