921794 has 16 divisors (see below), whose sum is σ = 1494720. Its totient is φ = 425040.

The previous prime is 921787. The next prime is 921821. The reversal of 921794 is 497129.

It is a self number, because there is not a number n which added to its sum of digits gives 921794.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (93420).

2⁹²¹⁷⁹⁴ is an apocalyptic number.

921794 is a deficient number, since it is larger than the sum of its proper divisors (572926).

921794 is a wasteful number, since it uses less digits than its factorization.

921794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its digits is 4536, while the sum is 32.

The square root of 921794 is about 960.1010363498. The cubic root of 921794 is about 97.3220598482.

The spelling of 921794 in words is "nine hundred twenty-one thousand, seven hundred ninety-four".