973091 has 8 divisors (see below), whose sum is σ = 1135200. Its totient is φ = 833784.

The previous prime is 973081. The next prime is 973099. The reversal of 973091 is 190379.

973091 = 16⁴ + 17⁴ + ... + 22⁴.

It is a de Polignac number, because none of the positive numbers 2^k-973091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (973099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076 + ... + 1761.

It is an arithmetic number, because the mean of its divisors is an integer number (141900).

2⁹⁷³⁰⁹¹ is an apocalyptic number.

973091 is a deficient number, since it is larger than the sum of its proper divisors (162109).

973091 is an equidigital number, since it uses as much as digits as its factorization.

973091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858 (or 2844 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 973091 is about 986.4537495494. The cubic root of 973091 is about 99.0948653645.

The spelling of 973091 in words is "nine hundred seventy-three thousand, ninety-one".