973021 has 8 divisors (see below), whose sum is σ = 1118720. Its totient is φ = 829008.

The previous prime is 973003. The next prime is 973031. The reversal of 973021 is 120379.

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 973021 - 2¹³ = 964829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 972983 and 973001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973001) 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, 1300 + ... + 1906.

It is an arithmetic number, because the mean of its divisors is an integer number (139840).

2⁹⁷³⁰²¹ is an apocalyptic number.

It is an amenable number.

973021 is a deficient number, since it is larger than the sum of its proper divisors (145699).

973021 is a wasteful number, since it uses less digits than its factorization.

973021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 973021 is about 986.4182682818. The cubic root of 973021 is about 99.0924891541.

The spelling of 973021 in words is "nine hundred seventy-three thousand, twenty-one".