904216 has 8 divisors (see below), whose sum is σ = 1695420. Its totient is φ = 452104.

The previous prime is 904207. The next prime is 904217. The reversal of 904216 is 612409.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56506 + ... + 56521.

2⁹⁰⁴²¹⁶ is an apocalyptic number.

It is an amenable number.

904216 is a deficient number, since it is larger than the sum of its proper divisors (791204).

904216 is a wasteful number, since it uses less digits than its factorization.

904216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113033 (or 113029 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 904216 is about 950.9027289897. The cubic root of 904216 is about 96.6994630428.

The spelling of 904216 in words is "nine hundred four thousand, two hundred sixteen".