90048605 has 8 divisors (see below), whose sum is σ = 108401112. Its totient is φ = 71810368.

The previous prime is 90048601. The next prime is 90048613. The reversal of 90048605 is 50684009.

It can be written as a sum of positive squares in 4 ways, for example, as 12802084 + 77246521 = 3578^2 + 8789^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 90048605 - 2² = 90048601 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 (90048601) 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 in 7 ways as a sum of consecutive naturals, for example, 26822 + ... + 29991.

It is an arithmetic number, because the mean of its divisors is an integer number (13550139).

Almost surely, 2^90048605 is an apocalyptic number.

It is an amenable number.

90048605 is a deficient number, since it is larger than the sum of its proper divisors (18352507).

90048605 is a wasteful number, since it uses less digits than its factorization.

90048605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57135.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 90048605 is about 9489.3943431602. The cubic root of 90048605 is about 448.2211337217.

The spelling of 90048605 in words is "ninety million, forty-eight thousand, six hundred five".