973603 has 4 divisors (see below), whose sum is σ = 978120. Its totient is φ = 969088.

The previous prime is 973597. The next prime is 973631. The reversal of 973603 is 306379.

973603 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306379 = 151 ⋅2029.

It is a cyclic number.

It is not a de Polignac number, because 973603 - 2¹³ = 965411 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (973003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1918 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (244530).

2⁹⁷³⁶⁰³ is an apocalyptic number.

973603 is a deficient number, since it is larger than the sum of its proper divisors (4517).

973603 is a wasteful number, since it uses less digits than its factorization.

973603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 973603 is about 986.7132308832. The cubic root of 973603 is about 99.1122421824.

The spelling of 973603 in words is "nine hundred seventy-three thousand, six hundred three".