903216 has 40 divisors (see below), whose sum is σ = 2412544. Its totient is φ = 290880.

The previous prime is 903211. The next prime is 903223. The reversal of 903216 is 612309.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 903192 and 903201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (903211) by changing a digit.

903216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185 + ... + 1791.

2⁹⁰³²¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 903216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206272).

903216 is an abundant number, since it is smaller than the sum of its proper divisors (1509328).

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

903216 is a wasteful number, since it uses less digits than its factorization.

903216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 903216 is about 950.3767673928. The cubic root of 903216 is about 96.6638022668.

The spelling of 903216 in words is "nine hundred three thousand, two hundred sixteen".