905973 has 4 divisors (see below), whose sum is σ = 1207968. Its totient is φ = 603980.

The previous prime is 905963. The next prime is 905999. The reversal of 905973 is 379509.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 905973 - 2⁶ = 905909 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905923) 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 3 ways as a sum of consecutive naturals, for example, 150993 + ... + 150998.

It is an arithmetic number, because the mean of its divisors is an integer number (301992).

2⁹⁰⁵⁹⁷³ is an apocalyptic number.

It is an amenable number.

905973 is a deficient number, since it is larger than the sum of its proper divisors (301995).

905973 is a wasteful number, since it uses less digits than its factorization.

905973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301994.

The product of its (nonzero) digits is 8505, while the sum is 33.

The square root of 905973 is about 951.8261395864. The cubic root of 905973 is about 96.7620553988.

The spelling of 905973 in words is "nine hundred five thousand, nine hundred seventy-three".