90414091 has 2 divisors, whose sum is σ = 90414092. Its totient is φ = 90414090.

The previous prime is 90414059. The next prime is 90414151. The reversal of 90414091 is 19041409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90414091 - 2⁵ = 90414059 is a prime.

It is not a weakly prime, because it can be changed into another prime (90414031) 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, 45207045 + 45207046.

It is an arithmetic number, because the mean of its divisors is an integer number (45207046).

Almost surely, 2^90414091 is an apocalyptic number.

90414091 is a deficient number, since it is larger than the sum of its proper divisors (1).

90414091 is an equidigital number, since it uses as much as digits as its factorization.

90414091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 90414091 is about 9508.6324463616. The cubic root of 90414091 is about 448.8267230183.

The spelling of 90414091 in words is "ninety million, four hundred fourteen thousand, ninety-one".