973843021 has 8 divisors (see below), whose sum is σ = 1005696000. Its totient is φ = 942017520.

The previous prime is 973843019. The next prime is 973843051. The reversal of 973843021 is 120348379.

973843021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 973843021 - 2¹ = 973843019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973843051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84780 + ... + 95578.

It is an arithmetic number, because the mean of its divisors is an integer number (125712000).

Almost surely, 2^973843021 is an apocalyptic number.

It is an amenable number.

973843021 is a deficient number, since it is larger than the sum of its proper divisors (31852979).

973843021 is a wasteful number, since it uses less digits than its factorization.

973843021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13739.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 973843021 is about 31206.4580015099. The cubic root of 973843021 is about 991.2038618114.

The spelling of 973843021 in words is "nine hundred seventy-three million, eight hundred forty-three thousand, twenty-one".