90603 has 6 divisors (see below), whose sum is σ = 130884. Its totient is φ = 60396.

The previous prime is 90599. The next prime is 90617. The reversal of 90603 is 30609.

It is not a de Polignac number, because 90603 - 2² = 90599 is a prime.

90603 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (90203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5025 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (21814).

2⁹⁰⁶⁰³ is an apocalyptic number.

90603 is a deficient number, since it is larger than the sum of its proper divisors (40281).

90603 is a wasteful number, since it uses less digits than its factorization.

90603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073 (or 10070 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 90603 is about 301.0033222408. The cubic root of 90603 is about 44.9139094774.

The spelling of 90603 in words is "ninety thousand, six hundred three".