90303355 has 4 divisors (see below), whose sum is σ = 108364032. Its totient is φ = 72242680.

The previous prime is 90303307. The next prime is 90303377. The reversal of 90303355 is 55330309.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 90303355 - 2⁹ = 90302843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9030331 + ... + 9030340.

It is an arithmetic number, because the mean of its divisors is an integer number (27091008).

Almost surely, 2^90303355 is an apocalyptic number.

90303355 is a deficient number, since it is larger than the sum of its proper divisors (18060677).

90303355 is a wasteful number, since it uses less digits than its factorization.

90303355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18060676.

The product of its (nonzero) digits is 6075, while the sum is 28.

The square root of 90303355 is about 9502.8077429779. The cubic root of 90303355 is about 448.6434124301.

The spelling of 90303355 in words is "ninety million, three hundred three thousand, three hundred fifty-five".