90383563 has 16 divisors (see below), whose sum is σ = 95270560. Its totient is φ = 85660416.

The previous prime is 90383561. The next prime is 90383599. The reversal of 90383563 is 36538309.

It is a cyclic number.

It is not a de Polignac number, because 90383563 - 2¹ = 90383561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (90383561) 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 15 ways as a sum of consecutive naturals, for example, 294256 + ... + 294562.

It is an arithmetic number, because the mean of its divisors is an integer number (5954410).

Almost surely, 2^90383563 is an apocalyptic number.

90383563 is a deficient number, since it is larger than the sum of its proper divisors (4886997).

90383563 is a wasteful number, since it uses less digits than its factorization.

90383563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 90383563 is about 9507.0270326743. The cubic root of 90383563 is about 448.7762024101.

The spelling of 90383563 in words is "ninety million, three hundred eighty-three thousand, five hundred sixty-three".