903040 has 64 divisors (see below), whose sum is σ = 2313360. Its totient is φ = 335872.

The previous prime is 903037. The next prime is 903073. The reversal of 903040 is 40309.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10839 + ... + 10921.

2⁹⁰³⁰⁴⁰ 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 903040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1156680).

903040 is an abundant number, since it is smaller than the sum of its proper divisors (1410320).

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

903040 is a wasteful number, since it uses less digits than its factorization.

903040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 903040 is about 950.2841680255. The cubic root of 903040 is about 96.6575232467.

Adding to 903040 its reverse (40309), we get a palindrome (943349).

The spelling of 903040 in words is "nine hundred three thousand, forty".