90395005 has 8 divisors (see below), whose sum is σ = 108602424. Its totient is φ = 72230400.

The previous prime is 90394981. The next prime is 90395009. The reversal of 90395005 is 50059309.

It can be written as a sum of positive squares in 4 ways, for example, as 4239481 + 86155524 = 2059^2 + 9282^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90395005 - 2¹⁹ = 89870717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90395009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5856 + ... + 14665.

It is an arithmetic number, because the mean of its divisors is an integer number (13575303).

Almost surely, 2^90395005 is an apocalyptic number.

It is an amenable number.

90395005 is a deficient number, since it is larger than the sum of its proper divisors (18207419).

90395005 is a wasteful number, since it uses less digits than its factorization.

90395005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21407.

The product of its (nonzero) digits is 6075, while the sum is 31.

The square root of 90395005 is about 9507.6287790384. The cubic root of 90395005 is about 448.7951390414.

The spelling of 90395005 in words is "ninety million, three hundred ninety-five thousand, five".