903872 has 28 divisors (see below), whose sum is σ = 1859280. Its totient is φ = 435456.

The previous prime is 903871. The next prime is 903883. The reversal of 903872 is 278309.

It is a Harshad number since it is a multiple of its sum of digits (29).

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

It is not an unprimeable number, because it can be changed into a prime (903871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613 + ... + 2099.

2⁹⁰³⁸⁷² 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 903872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929640).

903872 is an abundant number, since it is smaller than the sum of its proper divisors (955408).

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

903872 is a wasteful number, since it uses less digits than its factorization.

903872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 903872 is about 950.7218310316. The cubic root of 903872 is about 96.6871987038.

The spelling of 903872 in words is "nine hundred three thousand, eight hundred seventy-two".