904866 has 32 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 281424.

The previous prime is 904861. The next prime is 904867. The reversal of 904866 is 668409.

It is not an unprimeable number, because it can be changed into a prime (904861) 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 15 ways as a sum of consecutive naturals, for example, 10861 + ... + 10943.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2⁹⁰⁴⁸⁶⁶ is an apocalyptic number.

904866 is an abundant number, since it is smaller than the sum of its proper divisors (1030494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

904866 is a wasteful number, since it uses less digits than its factorization.

904866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 904866 is about 951.2444480784. The cubic root of 904866 is about 96.7226284501.

Subtracting from 904866 its product of nonzero digits (10368), we obtain a palindrome (894498).

It can be divided in two parts, 904 and 866, that added together give a triangular number (1770 = T₅₉).

The spelling of 904866 in words is "nine hundred four thousand, eight hundred sixty-six".